Bump postcss from 8.4.38 to 8.4.39 (#846)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.38 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@8.4.38...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -33,7 +33,7 @@
     "eslint-plugin-tailwindcss": "^3.17.4",
     "husky": "^9.0.11",
     "lint-staged": "^15.2.7",
-    "postcss": "^8.4.38",
+    "postcss": "^8.4.39",
     "prettier": "^3.3.2",
     "prettier-plugin-tailwindcss": "^0.6.5",
     "tailwindcss": "^3.4.4",