Bump autoprefixer from 10.4.19 to 10.4.20

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.19 to 10.4.20.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.19...10.4.20)

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

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

package.json

@@ -34,7 +34,7 @@
     "@types/node": "22.7.5",
     "@types/react": "18.3.3",
     "@types/react-dom": "18.3.1",
-    "autoprefixer": "10.4.19",
+    "autoprefixer": "10.4.20",
     "eslint": "8.57.0",
     "eslint-config-next": "15.1.6",
     "eslint-config-prettier": "^9.1.0",