build(deps-dev): bump postcss from 8.4.30 to 8.4.31 (#97)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.30 to
8.4.31.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/postcss/postcss/releases">postcss's
releases</a>.</em></p>
<blockquote>
<h2>8.4.31</h2>
<ul>
<li>Fixed <code>\r</code> parsing to fix CVE-2023-44270.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/postcss/postcss/blob/main/CHANGELOG.md">postcss's
changelog</a>.</em></p>
<blockquote>
<h2>8.4.31</h2>
<ul>
<li>Fixed <code>\r</code> parsing to fix CVE-2023-44270.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/postcss/postcss/commit/90208de8805dd762596c0028b8637ffbed23e371"><code>90208de</code></a>
Release 8.4.31 version</li>
<li><a
href="https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5"><code>58cc860</code></a>
Fix carrier return parsing</li>
<li><a
href="https://github.com/postcss/postcss/commit/4fff8e4cdc237619df1d73a444c0a8329701c1e2"><code>4fff8e4</code></a>
Improve pnpm test output</li>
<li><a
href="https://github.com/postcss/postcss/commit/cd43ed123274a92ebc13a1e8cccf1d65b8198f84"><code>cd43ed1</code></a>
Update dependencies</li>
<li><a
href="https://github.com/postcss/postcss/commit/caa916bdcbf66c51321574e2dde112ab13e8b306"><code>caa916b</code></a>
Update dependencies</li>
<li><a
href="https://github.com/postcss/postcss/commit/8972f76923e921a3c9655822382039b31b1c8e1a"><code>8972f76</code></a>
Typo</li>
<li><a
href="https://github.com/postcss/postcss/commit/11a5286f781d2a637f2c545c5e9cd661055acaab"><code>11a5286</code></a>
Typo</li>
<li>See full diff in <a
href="https://github.com/postcss/postcss/compare/8.4.30...8.4.31">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -3,7 +3,7 @@
     "@netlify/plugin-lighthouse": "^5.0.0",
     "autoprefixer": "^10.4.16",
     "netlify-plugin-hugo-cache-resources": "^0.2.1",
-    "postcss": "^8.4.30",
+    "postcss": "^8.4.31",
     "postcss-cli": "^10.0.0",
     "postcss-color-mod-function": "^3.0.3"
   }