Bump postcss from 8.3.10 to 8.3.11 (#1392)

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.10 to 8.3.11.
- [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/8.3.10...8.3.11)

---
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

@@ -49,7 +49,7 @@
     "lint-staged": "^11.2.6",
     "markdown-it": "^12.2.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.3.10",
+    "postcss": "^8.3.11",
     "postcss-cli": "^8.3.1",
     "postcss-header": "^3.0.1",
     "postcss-import": "^14.0.2",

yarn.lock

@@ -2303,10 +2303,10 @@ 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@^8.3.10:
-  version "8.3.10"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.10.tgz#4d614e108ccc69c65c2f6dc6cec23dd5c85b73af"
-  integrity sha512-YYfvfUdWx+ECpr5Hgc6XRfsaux8LksL5ey8qTtWiuRXOpOF1YYMwAySdh0nSmwhZAFvvJ6rgiIkKVShu4x2T1Q==
+postcss@^8.3.11:
+  version "8.3.11"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.11.tgz#c3beca7ea811cd5e1c4a3ec6d2e7599ef1f8f858"
+  integrity sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"