Bump postcss from 8.4.35 to 8.4.38

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.35 to 8.4.38.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.35...8.4.38)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -22,7 +22,7 @@
     "autoprefixer": "^10.4.19",
     "css-loader": "^6.10.0",
     "mini-css-extract-plugin": "^2.8.0",
-    "postcss": "^8.4.32",
+    "postcss": "^8.4.38",
     "postcss-loader": "^8.1.1",
     "sass": "^1.71.1",
     "sass-loader": "^14.1.1",