Bump postcss from 8.3.6 to 8.3.9

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.6 to 8.3.9.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.3.6...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>

Author: dependabot[bot]

package.json

@@ -48,7 +48,7 @@
     "lint-staged": "^11.1.2",
     "markdown-it": "^12.2.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.3.6",
+    "postcss": "^8.3.9",
     "postcss-cli": "^8.3.1",
     "postcss-header": "^3.0.1",
     "postcss-import": "^14.0.2",

yarn.lock

@@ -1508,10 +1508,10 @@ nanocolors@^0.2.8:
   resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.2.10.tgz#a712df4d3c1bf12d9b4fb8b5aa61b5ba31337503"
   integrity sha512-i+EDWGsJClQwR/bhLIG/CObZZwaYaS5qt+yjxZbfV+77QiNHNzE9nj4d9Ut1TGZ0R0eSwPcQWzReASzXuw/7oA==
 
-nanoid@^3.1.23:
-  version "3.1.23"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
-  integrity sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==
+nanoid@^3.1.28:
+  version "3.1.28"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.28.tgz#3c01bac14cb6c5680569014cc65a2f26424c6bd4"
+  integrity sha512-gSu9VZ2HtmoKYe/lmyPFES5nknFrHa+/DT9muUFWFMi6Jh9E1I7bkvlQ8xxf1Kos9pi9o8lBnIOkatMhKX/YUw==
 
 natural-compare@^1.4.0:
   version "1.4.0"
@@ -1697,6 +1697,11 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
+picocolors@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
+  integrity sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==
+
 picomatch@^2.0.4, picomatch@^2.2.1:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
@@ -2323,13 +2328,13 @@ postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.32, postcss@^7.0.
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.3.6:
-  version "8.3.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.6.tgz#2730dd76a97969f37f53b9a6096197be311cc4ea"
-  integrity sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==
+postcss@^8.3.9:
+  version "8.3.9"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.9.tgz#98754caa06c4ee9eb59cc48bd073bb6bd3437c31"
+  integrity sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==
   dependencies:
-    colorette "^1.2.2"
-    nanoid "^3.1.23"
+    nanoid "^3.1.28"
+    picocolors "^0.2.1"
     source-map-js "^0.6.2"
 
 prelude-ls@^1.2.1: