Bump postcss from 8.3.8 to 8.3.9

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
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -11280,6 +11280,12 @@
       "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
       "dev": true
     },
+    "picocolors": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -11346,22 +11352,14 @@
       "optional": 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"
-      },
-      "dependencies": {
-        "nanocolors": {
-          "version": "0.2.10",
-          "resolved": "https://registry.npmjs.org/nanocolors/-/nanocolors-0.2.10.tgz",
-          "integrity": "sha512-i+EDWGsJClQwR/bhLIG/CObZZwaYaS5qt+yjxZbfV+77QiNHNzE9nj4d9Ut1TGZ0R0eSwPcQWzReASzXuw/7oA==",
-          "dev": true
-        }
       }
     },
     "postcss-calc": {

package.json

@@ -60,7 +60,7 @@
     "jest": "^26.6.3",
     "mini-css-extract-plugin": "^2.3.0",
     "optimize-css-assets-webpack-plugin": "^6.0.1",
-    "postcss": "^8.3.8",
+    "postcss": "^8.3.9",
     "postcss-loader": "^6.1.1",
     "prettier": "^2.4.1",
     "prettier-webpack-plugin": "^1.2.0",