chore(deps-dev): Bump postcss from 8.4.27 to 8.4.28 (#6895)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.27 to
8.4.28.
<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>8.4.28</h2>
<ul>
<li>Fixed <code>Root.source.end</code> for better source map (by <a
href="https://github.com/romainmenke"><code>@​romainmenke</code></a>).</li>
<li>Fixed <code>Result.root</code> types when <code>process()</code> has
no parser.</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>8.4.28</h2>
<ul>
<li>Fixed <code>Root.source.end</code> for better source map (by Romain
Menke).</li>
<li>Fixed <code>Result.root</code> types when <code>process()</code> has
no parser.</li>
</ul>
</blockquote>
</details>

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

package.json

@@ -130,7 +130,7 @@
         "mini-css-extract-plugin": "2.7.6",
         "npm-run-all": "^4.1.5",
         "playwright": "^1.37.0",
-        "postcss": "^8.4.27",
+        "postcss": "^8.4.28",
         "postcss-modules": "^6.0.0",
         "prettier": "^3.0.2",
         "regenerator-runtime": "^0.14.0",

yarn.lock

@@ -2846,7 +2846,7 @@ __metadata:
     mini-css-extract-plugin: 2.7.6
     npm-run-all: ^4.1.5
     playwright: ^1.37.0
-    postcss: ^8.4.27
+    postcss: ^8.4.28
     postcss-modules: ^6.0.0
     prettier: ^3.0.2
     react: ^16.14.0
@@ -10201,14 +10201,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.27":
-  version: 8.4.27
-  resolution: "postcss@npm:8.4.27"
+"postcss@npm:^8.4.28":
+  version: 8.4.28
+  resolution: "postcss@npm:8.4.28"
   dependencies:
     nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 1cdd0c298849df6cd65f7e646a3ba36870a37b65f55fd59d1a165539c263e9b4872a402bf4ed1ca1bc31f58b68b2835545e33ea1a23b161a1f8aa6d5ded81e78
+  checksum: f605c24a36f7e400bad379735fbfc893ccb8d293ad6d419bb824db77cdcb69f43d614ef35f9f7091f32ca588d130ec60dbcf53b366e6bf88a8a64bbeb3c05f6d
   languageName: node
   linkType: hard