Bump coverage from 7.6.5 to 7.6.7 (#71)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.5 to
7.6.7.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst">coverage's
changelog</a>.</em></p>
<blockquote>
<h2>Version 7.6.7 — 2024-11-15</h2>
<ul>
<li>fix: ugh, the other assert from 7.6.5 can also be encountered in the
wild,
so it's been restored to a conditional.  Sorry for the churn.</li>
</ul>
<p>.. _changes_7-6-6:</p>
<h2>Version 7.6.6 — 2024-11-15</h2>
<ul>
<li>One of the new asserts from 7.6.5 caused problems in real projects,
as
reported in <code>issue 1891</code>_.  The assert has been removed.</li>
</ul>
<p>.. _issue 1891: <a
href="https://redirect.github.com/nedbat/coveragepy/issues/1891">nedbat/coveragepy#1891</a></p>
<p>.. _changes_7-6-5:</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/nedbat/coveragepy/commit/af89ebb81a99113bb663a64c494f4aed03c383cb"><code>af89ebb</code></a>
docs: sample HTML for 7.6.7</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/c723de2d6ab806fd9cfc2762cd10c04d904a0870"><code>c723de2</code></a>
docs: prep for 7.6.7</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/898e94a1ebb224924776f4d5e77497a40302727f"><code>898e94a</code></a>
fix: another possible assert changed back to a conditional.</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/42961d6bd4c2e379539e8dd117407fd584357384"><code>42961d6</code></a>
build: tweaks to release process</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/1a09d4aeaf7c50a7e8e164f575db901f046341ad"><code>1a09d4a</code></a>
build: bump version</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/c26fc6ee2f4a40b603ef33fd1e03de55f843c2eb"><code>c26fc6e</code></a>
docs: sample HTML for 7.6.6</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/79ad46919c72afbd996409b31d81ec6fa0a2828f"><code>79ad469</code></a>
docs: prep for 7.6.6</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/98939c9199d9196bf55e0f6d02443dbdd46d1b85"><code>98939c9</code></a>
fix: this assert is possible, remove it. <a
href="https://redirect.github.com/nedbat/coveragepy/issues/1891">#1891</a></li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/ad4a4ffaad8149133f57024f794a49d3c00baac7"><code>ad4a4ff</code></a>
build: automate the 'final' version</li>
<li><a
href="https://github.com/nedbat/coveragepy/commit/e1502e679db440b1c2a76549d2de6ac1b1a25fa2"><code>e1502e6</code></a>
build: bump version</li>
<li>See full diff in <a
href="https://github.com/nedbat/coveragepy/compare/7.6.5...7.6.7">compare
view</a></li>
</ul>
</details>
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