Build(deps): Bump cssnano from 7.0.3 to 7.0.4 (#764)

Bumps [cssnano](https://github.com/cssnano/cssnano) from 7.0.3 to 7.0.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/cssnano/cssnano/releases">cssnano's
releases</a>.</em></p>
<blockquote>
<h2>v7.0.4</h2>
<h2>Bug fixes</h2>
<ul>
<li>fix(postcss-convert-values): preserve percent sign in
border-image-width in <a
href="https://redirect.github.com/cssnano/cssnano/pull/1645">cssnano/cssnano#1645</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/cssnano/cssnano/commit/88df72ad8fff7899bda11c12a28bad5f1ded59e5"><code>88df72a</code></a>
Publish cssnano 7.0.4</li>
<li><a
href="https://github.com/cssnano/cssnano/commit/36b308734ba61164af3937a4898e752e4a68ee5f"><code>36b3087</code></a>
chore: update postcss dev dependency</li>
<li><a
href="https://github.com/cssnano/cssnano/commit/d6f9a322eda0bc6f33be1da06166c6e82d0a5b92"><code>d6f9a32</code></a>
fix(postcss-convert-values): prserve percent sign in
border-image-width</li>
<li><a
href="https://github.com/cssnano/cssnano/commit/cce6057ded39eb41e51768d973899d362a599984"><code>cce6057</code></a>
chore: update development dependencies</li>
<li><a
href="https://github.com/cssnano/cssnano/commit/1ca4b8916900c1dabac3eeeb1582273f6998cdf4"><code>1ca4b89</code></a>
chore: update TypeScript to 5.5.3</li>
<li><a
href="https://github.com/cssnano/cssnano/commit/96b49e3fe22da436c6a67688abf47693cacfe48d"><code>96b49e3</code></a>
docs: update website for release</li>
<li>See full diff in <a
href="https://github.com/cssnano/cssnano/compare/cssnano@7.0.3...cssnano@7.0.4">compare
view</a></li>
</ul>
</details>
<br />


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</details>

package.json

@@ -28,7 +28,7 @@
     "@vitest/coverage-v8": "1.6.0",
     "autoprefixer": "10.4.19",
     "concurrently": "8.2.2",
-    "cssnano": "7.0.3",
+    "cssnano": "7.0.4",
     "date-fns": "3.6.0",
     "esbuild": "0.23.0",
     "eslint": "8.57.0",