Update dependency autoprefixer to v10.4.21

Author: renovate[bot]

package-lock.json

@@ -33,7 +33,7 @@
     "@types/vimeo__player": "2.18.3",
     "@typescript-eslint/eslint-plugin": "5.62.0",
     "@typescript-eslint/parser": "5.62.0",
-    "autoprefixer": "10.4.20",
+    "autoprefixer": "10.4.21",
     "eslint": "8.57.1",
     "eslint-config-airbnb-typescript": "17.1.0",
     "eslint-config-prettier": "9.1.0",