chore(deps-dev): Bump postcss from 8.5.14 to 8.5.15 (#1906)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.14 to
8.5.15.
<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>8.5.15</h2>
<ul>
<li>Fixed declaration parsing performance (by <a
href="https://github.com/homanp"><code>@​homanp</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>8.5.15</h2>
<ul>
<li>Fixed declaration parsing performance (by <a
href="https://github.com/homanp"><code>@​homanp</code></a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/postcss/postcss/commit/eae46db765d752cf8f40c4fa2b0b85030079c43d"><code>eae46db</code></a>
Release 8.5.15 version</li>
<li><a
href="https://github.com/postcss/postcss/commit/79508ffa59e42c02056aca61b88bc393c8b516c4"><code>79508ff</code></a>
Update CI actions</li>
<li><a
href="https://github.com/postcss/postcss/commit/b128e2131288a411c6e28071d0929542c49e74eb"><code>b128e21</code></a>
Speed up declaration parsing by avoiding creating new array on each
token</li>
<li><a
href="https://github.com/postcss/postcss/commit/9825dca02c33cf610e2a842be767468b67fbecf9"><code>9825dca</code></a>
Fix code format</li>
<li><a
href="https://github.com/postcss/postcss/commit/55789c865281e2be194fa5b4e41dd046be3a2307"><code>55789c8</code></a>
Update dependencies</li>
<li><a
href="https://github.com/postcss/postcss/commit/84fbbe9009cb3cc3bbb4cc3a9b65d468f4844d95"><code>84fbbe9</code></a>
Install older pnpm action for old Node.js</li>
<li><a
href="https://github.com/postcss/postcss/commit/9f860bd78ec1dbc4f0ae72d693f03f956baa38cb"><code>9f860bd</code></a>
Revert pnpm action for old Node.js</li>
<li><a
href="https://github.com/postcss/postcss/commit/08771986d47359545f502e009763e223b66bfcf6"><code>0877198</code></a>
Update CI actions</li>
<li><a
href="https://github.com/postcss/postcss/commit/b2d1a335cea818f8b27e5cfb90147648afe3e582"><code>b2d1a33</code></a>
Fix linter warnings</li>
<li><a
href="https://github.com/postcss/postcss/commit/0700dac92283bc259977dff2743ca74a00f58267"><code>0700dac</code></a>
Merge pull request <a
href="https://redirect.github.com/postcss/postcss/issues/2088">#2088</a>
from rootvector2/add-oss-fuzz-harness</li>
<li>Additional commits viewable in <a
href="https://github.com/postcss/postcss/compare/8.5.14...8.5.15">compare
view</a></li>
</ul>
</details>
<br />


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package-lock.json

@@ -103,7 +103,7 @@
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         "istanbul": "^0.4.5",
         "istanbul-lib-coverage": "^3.2.2",
-        "postcss": "^8.5.14",
+        "postcss": "^8.5.15",
         "react-hot-loader": "^4.13.1",
         "sass": "^1.99.0",
         "stylelint": "^17.11.1",
@@ -11020,9 +11020,9 @@
       }
     },
     "node_modules/nanoid": {
-      "version": "3.3.11",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-      "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+      "version": "3.3.12",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.12.tgz",
+      "integrity": "sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==",
       "dev": true,
       "funding": [
         {
@@ -12085,9 +12085,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.14",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.14.tgz",
-      "integrity": "sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==",
+      "version": "8.5.15",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
+      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
       "dev": true,
       "funding": [
         {
@@ -12105,7 +12105,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.11",
+        "nanoid": "^3.3.12",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },

package.json

@@ -137,7 +137,7 @@
     "i18next-cli": "^1.53.2",
     "istanbul": "^0.4.5",
     "istanbul-lib-coverage": "^3.2.2",
-    "postcss": "^8.5.14",
+    "postcss": "^8.5.15",
     "react-hot-loader": "^4.13.1",
     "sass": "^1.99.0",
     "stylelint": "^17.11.1",