Bump postcss from 8.5.3 to 8.5.4

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.3 to 8.5.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.3...8.5.4)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -10,7 +10,7 @@
         "@types/react-dom": "^18.3.0",
         "autoprefixer": "^10.4.21",
         "axios": "^1.9.0",
-        "postcss": "^8.5.3",
+        "postcss": "^8.5.4",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "react-scripts": "^5.0.1",