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

Author: renovate[bot]

package-lock.json

@@ -52,7 +52,7 @@
   "devDependencies": {
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",
-    "autoprefixer": "10.4.16",
+    "autoprefixer": "10.4.21",
     "eslint": "8.53.0",
     "eslint-config-next": "12.3.4",
     "eslint-config-prettier": "8.10.0",