Bump zerocopy from 0.7.21 to 0.7.31 (#3707)

Bumps [zerocopy](https://github.com/google/zerocopy) from 0.7.21 to
0.7.31.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/google/zerocopy/releases">zerocopy's
releases</a>.</em></p>
<blockquote>
<h2>v0.7.30</h2>
<h2>What's Changed</h2>
<ul>
<li>[policies] Document yanking policy by <a
href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/677">google/zerocopy#677</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/680">google/zerocopy#680</a></li>
<li>[readme] Link to GitHub Releases (<a
href="https://redirect.github.com/google/zerocopy/issues/692">#692</a>)
by <a href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/693">google/zerocopy#693</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/google/zerocopy/compare/v0.7.29...v0.7.30">https://github.com/google/zerocopy/compare/v0.7.29...v0.7.30</a></p>
<h2>v0.7.29</h2>
<h2>What's Changed</h2>
<ul>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/664">google/zerocopy#664</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/668">google/zerocopy#668</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/669">google/zerocopy#669</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/670">google/zerocopy#670</a></li>
<li>Implement <code>TryFromBytes</code> for <code>[T]</code> by <a
href="https://github.com/jswrenn"><code>@​jswrenn</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/666">google/zerocopy#666</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/673">google/zerocopy#673</a></li>
<li>[derive] Fix AsBytes for <code>#[repr(C, packed(N))]</code> by <a
href="https://github.com/maurer"><code>@​maurer</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/672">google/zerocopy#672</a></li>
<li>Release 0.7.29 by <a
href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/676">google/zerocopy#676</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/google/zerocopy/compare/v0.7.28...v0.7.29">https://github.com/google/zerocopy/compare/v0.7.28...v0.7.29</a></p>
<h2>v0.7.28</h2>
<h2>What's Changed</h2>
<ul>
<li>Improve <code>transmute*!</code> documentation by <a
href="https://github.com/jswrenn"><code>@​jswrenn</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/661">google/zerocopy#661</a></li>
<li>Improve <code>AsBytes</code> documentation by <a
href="https://github.com/jswrenn"><code>@​jswrenn</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/660">google/zerocopy#660</a></li>
<li>[docs] Fix typo in include_value! doc comment by <a
href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/662">google/zerocopy#662</a></li>
<li>Release 0.7.28 by <a
href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/663">google/zerocopy#663</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/google/zerocopy/compare/v0.7.27...v0.7.28">https://github.com/google/zerocopy/compare/v0.7.27...v0.7.28</a></p>
<h2>v0.7.27</h2>
<h2>What's Changed</h2>
<ul>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/618">google/zerocopy#618</a></li>
<li>Safety comments quote new bit validity guarantees by <a
href="https://github.com/joshlf"><code>@​joshlf</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/462">google/zerocopy#462</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/621">google/zerocopy#621</a></li>
<li>[CI] Bump github/codeql-action from 2.22.6 to 2.22.7 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/622">google/zerocopy#622</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/623">google/zerocopy#623</a></li>
<li>[CI] Bump step-security/harden-runner from 2.6.0 to 2.6.1 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/625">google/zerocopy#625</a></li>
<li>[ci] Roll pinned stable toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/624">google/zerocopy#624</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/626">google/zerocopy#626</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/628">google/zerocopy#628</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/629">google/zerocopy#629</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/631">google/zerocopy#631</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/634">google/zerocopy#634</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/635">google/zerocopy#635</a></li>
<li>[CI] Bump github/codeql-action from 2.22.7 to 2.22.8 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/google/zerocopy/pull/636">google/zerocopy#636</a></li>
<li>[ci] Roll pinned nightly toolchain by <a
href="https://github.com/google-pr-creation-bot"><code>@​google-pr-creation-bot</code></a>
in <a
href="https://redirect.github.com/google/zerocopy/pull/637">google/zerocopy#637</a></li>
</ul>
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</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/google/zerocopy/blob/main/CHANGELOG.md">zerocopy's
changelog</a>.</em></p>
<blockquote>
<h1>Changelog</h1>
<h2>Releases</h2>
<p>We track releases and release notes using <a
href="https://github.com/google/zerocopy/releases">GitHub
Releases</a>.</p>
<h2>Yanks and Regressions</h2>
<h3>0.7.27, 0.7.28</h3>
<p>These versions were briefly yanked due to a non-soundness regression
reported in
<a
href="https://redirect.github.com/google/zerocopy/issues/672">#672</a><a
href="https://redirect.github.com/google/zerocopy/pull/672">pull-672</a>.
After reconsidering our yanking policy in <a
href="https://redirect.github.com/google/zerocopy/issues/679">#679</a><a
href="https://redirect.github.com/google/zerocopy/issues/679">issue-679</a>,
we un-yanked these versions.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/google/zerocopy/commit/7d3a8f9ea6bcf982ecd77db39a8be410b098232e"><code>7d3a8f9</code></a>
Fix soundness hole in Ref::into_ref and into_mut (<a
href="https://redirect.github.com/google/zerocopy/issues/721">#721</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/961612f110ca313eea06ca2563c88c83b51da492"><code>961612f</code></a>
[readme] Link to GitHub Releases (<a
href="https://redirect.github.com/google/zerocopy/issues/692">#692</a>)
(<a
href="https://redirect.github.com/google/zerocopy/issues/693">#693</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/449b78c67f20639d7dbe5d7b5a49c6dd7e9d175e"><code>449b78c</code></a>
[ci] Roll pinned nightly toolchain (<a
href="https://redirect.github.com/google/zerocopy/issues/680">#680</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/8f7d88b90ebdb1c644c58100a9953bf54f438ec5"><code>8f7d88b</code></a>
[policies] Document yanking policy (<a
href="https://redirect.github.com/google/zerocopy/issues/677">#677</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/5b76223e0eddea87e0f81429e218d12de94cd954"><code>5b76223</code></a>
Release 0.7.29 (<a
href="https://redirect.github.com/google/zerocopy/issues/676">#676</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/941c83fb4cea49dfac025a749653c6c3ea3fc019"><code>941c83f</code></a>
[derive] Fix AsBytes for <code>#[repr(C, packed(N))]</code> (<a
href="https://redirect.github.com/google/zerocopy/issues/672">#672</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/d18d233cf4e49d6abe15730eadb0e73a96f26ce2"><code>d18d233</code></a>
[ci] Roll pinned nightly toolchain (<a
href="https://redirect.github.com/google/zerocopy/issues/673">#673</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/ac0c27e77557779a9d1c79542a7cff7b29c59c69"><code>ac0c27e</code></a>
implement <code>TryFromBytes</code> for <code>[T]</code> (<a
href="https://redirect.github.com/google/zerocopy/issues/666">#666</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/122828ed8a360d9347ecd18989324020e79b81af"><code>122828e</code></a>
[ci] Roll pinned nightly toolchain (<a
href="https://redirect.github.com/google/zerocopy/issues/670">#670</a>)</li>
<li><a
href="https://github.com/google/zerocopy/commit/980dd98f9ab00c6ddfefcfbbd6d00befa728933b"><code>980dd98</code></a>
[ci] Roll pinned nightly toolchain (<a
href="https://redirect.github.com/google/zerocopy/issues/669">#669</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/google/zerocopy/compare/v0.7.21...v0.7.31">compare
view</a></li>
</ul>
</details>
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