chore(deps): update dependency autoprefixer to v10.4.21 (#335)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "@parcel/transformer-image": "2.12.0",
     "@types/react": "18.3.18",
     "@types/react-dom": "18.3.5",
-    "autoprefixer": "10.4.20",
+    "autoprefixer": "10.4.21",
     "parcel": "2.12.0",
     "postcss": "8.5.3",
     "process": "0.11.10",