Update dependency autoprefixer to v10.4.12

Author: renovate[bot]

package-lock.json

@@ -15,7 +15,7 @@
     "reconnecting-websocket": "4.4.0"
   },
   "devDependencies": {
-    "autoprefixer": "10.4.11",
+    "autoprefixer": "10.4.12",
     "copy-webpack-plugin": "11.0.0",
     "css-loader": "6.7.1",
     "html-webpack-plugin": "5.5.0",