chore(deps-dev): Bump autoprefixer from 10.4.20 to 10.4.21

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.20 to 10.4.21.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.20...10.4.21)

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

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

Author: dependabot[bot]

package.json

@@ -35,7 +35,7 @@
     "@typescript-eslint/parser": "^8.26.0",
     "@vitest/coverage-v8": "2.1.3",
     "@vitest/eslint-plugin": "^1.1.36",
-    "autoprefixer": "^10.4.20",
+    "autoprefixer": "^10.4.21",
     "eslint": "^9.22.0",
     "eslint-config-prettier": "^10.0.2",
     "eslint-import-resolver-custom-alias": "^1.3.2",