chore(deps-rs): bump portgraph from 0.12.1 to 0.12.2 (#456)

Bumps [portgraph](https://github.com/CQCL/portgraph) from 0.12.1 to
0.12.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/CQCL/portgraph/releases">portgraph's
releases</a>.</em></p>
<blockquote>
<h2>v0.12.2</h2>
<h3>Bug Fixes</h3>
<ul>
<li>Intergraph edges in mermaid rendering (<a
href="https://redirect.github.com/CQCL/portgraph/pull/139">#139</a>)</li>
</ul>
<h3>New Features</h3>
<ul>
<li>Add PortOffset::opposite (<a
href="https://redirect.github.com/CQCL/portgraph/pull/136">#136</a>)</li>
<li>Efficient LCA algorithm for the hierarchy (<a
href="https://redirect.github.com/CQCL/portgraph/pull/138">#138</a>)</li>
</ul>
<h3>Testing</h3>
<ul>
<li>Use <code>insta</code> for mermaid/dot render tests (<a
href="https://redirect.github.com/CQCL/portgraph/pull/137">#137</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/CQCL/portgraph/blob/main/CHANGELOG.md">portgraph's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/CQCL/portgraph/compare/v0.12.1...v0.12.2">0.12.2</a>
- 2024-07-05</h2>
<h3>Bug Fixes</h3>
<ul>
<li>Intergraph edges in mermaid rendering (<a
href="https://redirect.github.com/CQCL/portgraph/pull/139">#139</a>)</li>
</ul>
<h3>New Features</h3>
<ul>
<li>Add PortOffset::opposite (<a
href="https://redirect.github.com/CQCL/portgraph/pull/136">#136</a>)</li>
<li>Efficient LCA algorithm for the hierarchy (<a
href="https://redirect.github.com/CQCL/portgraph/pull/138">#138</a>)</li>
</ul>
<h3>Testing</h3>
<ul>
<li>Use <code>insta</code> for mermaid/dot render tests (<a
href="https://redirect.github.com/CQCL/portgraph/pull/137">#137</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/CQCL/portgraph/commit/95012edda4a966740cd383314d58399cf5368c98"><code>95012ed</code></a>
chore: release v0.12.2 (<a
href="https://redirect.github.com/CQCL/portgraph/issues/134">#134</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/bd03a903e51515ca3ffdc64132dc7e8b22e6e13c"><code>bd03a90</code></a>
fix: Intergraph edges in mermaid rendering (<a
href="https://redirect.github.com/CQCL/portgraph/issues/139">#139</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/a5be34ee4573bd36688a295d44c6aded2d875918"><code>a5be34e</code></a>
feat: Efficient LCA algorithm for the hierarchy (<a
href="https://redirect.github.com/CQCL/portgraph/issues/138">#138</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/88b7af92080540e6894c9002e1a7c458da6566b5"><code>88b7af9</code></a>
chore(deps): update pyo3 requirement from 0.21 to 0.22 (<a
href="https://redirect.github.com/CQCL/portgraph/issues/140">#140</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/b3c8142a53938df1ea2eb4ba7082fe1d5f826a64"><code>b3c8142</code></a>
test: Use <code>insta</code> for mermaid/dot render tests (<a
href="https://redirect.github.com/CQCL/portgraph/issues/137">#137</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/4831264d48098ac2b06d0f1b3f945dcef155f7eb"><code>4831264</code></a>
feat: Add PortOffset::opposite (<a
href="https://redirect.github.com/CQCL/portgraph/issues/136">#136</a>)</li>
<li><a
href="https://github.com/CQCL/portgraph/commit/ab60561b023409d42fd223f5432e8227fb0ff126"><code>ab60561</code></a>
chore(deps): update rstest requirement from 0.19.0 to 0.21.0 (<a
href="https://redirect.github.com/CQCL/portgraph/issues/133">#133</a>)</li>
<li>See full diff in <a
href="https://github.com/CQCL/portgraph/compare/v0.12.1...v0.12.2">compare
view</a></li>
</ul>
</details>
<br />


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