Chore(deps-dev): Bump postcss from 8.4.35 to 8.4.39

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.35 to 8.4.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.35...8.4.39)

---
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

@@ -102,7 +102,7 @@
     "jest": "^29.4.1",
     "jest-environment-jsdom": "^29.4.1",
     "module-replace-webpack-plugin": "0.0.12",
-    "postcss": "^8.4.35",
+    "postcss": "^8.4.39",
     "postcss-loader": "^7.3.3",
     "raw-loader": "^4.0.2",
     "ts-node": "^10.9.2",