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

@@ -8543,12 +8543,6 @@
             "dev": true,
             "optional": true
         },
-        "nanocolors": {
-            "version": "0.2.9",
-            "resolved": "https://registry.npmjs.org/nanocolors/-/nanocolors-0.2.9.tgz",
-            "integrity": "sha512-aymgS4Xe0LMqHOHl7jSUEkFh/6O/pcF0j61dBtreQZ1nmbyYdYjSYSJzz0iPLbKPkMtSmdRgyBGywNZGjKOEfw==",
-            "dev": true
-        },
         "nanoid": {
             "version": "3.1.28",
             "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.28.tgz",
@@ -9145,6 +9139,12 @@
             "dev": true,
             "optional": 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",
@@ -9218,13 +9218,13 @@
             "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

@@ -70,7 +70,7 @@
         "gulp-typescript": "^6.0.0-alpha.1",
         "gulp-zip": "^5.1.0",
         "merge-stream": "^2.0.0",
-        "postcss": "^8.3.8",
+        "postcss": "^8.3.9",
         "sass": "^1.42.1",
         "terser": "^5.9.0",
         "tsify": "^5.0.4",