chore(deps-dev): Bump postcss from 8.5.4 to 8.5.5 (#1227)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.4 to 8.5.5.
<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>8.5.5</h2>
<ul>
<li>Fixed <code>package.json</code>→<code>exports</code> compatibility
with some tools (by <a
href="https://github.com/JounQin"><code>@​JounQin</code></a>).</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>8.5.5</h2>
<ul>
<li>Fixed <code>package.json</code>→<code>exports</code> compatibility
with some tools (by <a
href="https://github.com/JounQin"><code>@​JounQin</code></a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="c18159719e"><code>c181597</code></a>
Release 8.5.5 version</li>
<li><a
href="c5523fbec5"><code>c5523fb</code></a>
Update dependencies</li>
<li><a
href="2e3450c55f"><code>2e3450c</code></a>
refactor: <code>import</code> should be listed before
<code>require</code> (<a
href="https://redirect.github.com/postcss/postcss/issues/2052">#2052</a>)</li>
<li><a
href="4d720bd01a"><code>4d720bd</code></a>
Update EM text</li>
<li>See full diff in <a
href="https://github.com/postcss/postcss/compare/8.5.4...8.5.5">compare
view</a></li>
</ul>
</details>
<br />


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package-lock.json

@@ -103,7 +103,7 @@
         "i18next-parser": "^9.3.0",
         "istanbul": "^0.4.5",
         "istanbul-lib-coverage": "^3.2.2",
-        "postcss": "^8.5.4",
+        "postcss": "^8.5.5",
         "react-hot-loader": "^4.13.1",
         "sass": "^1.89.2",
         "stylelint": "^16.20.0",
@@ -10413,9 +10413,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.4",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
-      "integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
+      "version": "8.5.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.5.tgz",
+      "integrity": "sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==",
       "dev": true,
       "funding": [
         {

package.json

@@ -134,7 +134,7 @@
     "i18next-parser": "^9.3.0",
     "istanbul": "^0.4.5",
     "istanbul-lib-coverage": "^3.2.2",
-    "postcss": "^8.5.4",
+    "postcss": "^8.5.5",
     "react-hot-loader": "^4.13.1",
     "sass": "^1.89.2",
     "stylelint": "^16.20.0",