Bump postcss from 8.4.39 to 8.4.40 in the stylelint group (#5492)

Bumps the stylelint group with 1 update: [postcss](https://github.com/postcss/postcss).


Updates `postcss` from 8.4.39 to 8.4.40
- [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/8.4.39...8.4.40)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: stylelint
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -112,7 +112,7 @@
     "lefthook": "^1.7.11",
     "mini-css-extract-plugin": "^2.9.0",
     "npm-run-all2": "^6.2.2",
-    "postcss": "^8.4.39",
+    "postcss": "^8.4.40",
     "postcss-scss": "^4.0.9",
     "prettier": "^2.8.8",
     "rimraf": "^6.0.1",

yarn.lock

@@ -6962,10 +6962,10 @@ postcss@^7.0.36:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.4.14, postcss@^8.4.33, postcss@^8.4.38, postcss@^8.4.39:
-  version "8.4.39"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.39.tgz#aa3c94998b61d3a9c259efa51db4b392e1bde0e3"
-  integrity sha512-0vzE+lAiG7hZl1/9I8yzKLx3aR9Xbof3fBHKunvMfOCYAtMhrsnccJY2iTURb9EZd5+pLuiNV9/c/GZJOHsgIw==
+postcss@^8.4.14, postcss@^8.4.33, postcss@^8.4.38, postcss@^8.4.39, postcss@^8.4.40:
+  version "8.4.40"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.40.tgz#eb81f2a4dd7668ed869a6db25999e02e9ad909d8"
+  integrity sha512-YF2kKIUzAofPMpfH6hOi2cGnv/HrUlfucspc7pDyvv7kGdqXrfj8SCl/t8owkEgKEuu8ZcRjSOxFxVLqwChZ2Q==
   dependencies:
     nanoid "^3.3.7"
     picocolors "^1.0.1"