[stable-4.9] Bump postcss from 8.4.31 to 8.4.32 (#4702)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.31 to 8.4.32.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.31...8.4.32)

---
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

@@ -57,7 +57,7 @@
         "mini-css-extract-plugin": "^2.7.6",
         "monaco-editor-webpack-plugin": "^7.1.0",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.4.31",
+        "postcss": "^8.4.32",
         "prettier": "^3.1.0",
         "sass": "^1.69.5",
         "sass-loader": "^13.3.2",