Bump postcss from 8.3.8 to 8.3.9 (#35110)

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.8 to 8.3.9.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.3.8...8.3.9)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package-lock.json

@@ -7463,13 +7463,13 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.8.tgz",
-      "integrity": "sha512-GT5bTjjZnwDifajzczOC+r3FI3Cu+PgPvrsjhQdRqa2kTJ4968/X9CUce9xttIB0xOs5c6xf0TCWZo/y9lF6bA==",
+      "version": "8.3.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.9.tgz",
+      "integrity": "sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==",
       "dev": true,
       "requires": {
-        "nanocolors": "^0.2.2",
-        "nanoid": "^3.1.25",
+        "nanoid": "^3.1.28",
+        "picocolors": "^0.2.1",
         "source-map-js": "^0.6.2"
       }
     },

package.json

@@ -138,7 +138,7 @@
     "lockfile-lint": "^4.6.2",
     "nodemon": "^2.0.13",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.3.8",
+    "postcss": "^8.3.9",
     "postcss-cli": "^9.0.1",
     "rollup": "^2.58.0",
     "rollup-plugin-istanbul": "^3.0.0",