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] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -14,7 +14,7 @@
         "@awcodes/filament-plugin-purge": "^1.1.1",
         "@tailwindcss/forms": "^0.5.10",
         "@tailwindcss/typography": "^0.5.16",
-        "autoprefixer": "^10.4.20",
+        "autoprefixer": "^10.4.21",
         "esbuild": "^0.25.0",
         "npm-run-all": "^4.1.5",
         "postcss": "^8.5.3",