Bump postcss from 8.3.5 to 8.3.6 (#1334)

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.5 to 8.3.6.
- [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/8.3.5...8.3.6)

---
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.json

@@ -48,7 +48,7 @@
     "lint-staged": "^10.5.4",
     "markdown-it": "^12.1.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.3.5",
+    "postcss": "^8.3.6",
     "postcss-cli": "^8.3.1",
     "postcss-header": "^3.0.1",
     "postcss-import": "^12.0.1",

yarn.lock

@@ -2435,10 +2435,10 @@ postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.3
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.3.5:
-  version "8.3.5"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.5.tgz#982216b113412bc20a86289e91eb994952a5b709"
-  integrity sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==
+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==
   dependencies:
     colorette "^1.2.2"
     nanoid "^3.1.23"