Update dependency autoprefixer to v10.5.0

Author: renovate[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "@turf/turf": "^6.5.0",
     "acorn": "8.14.0",
     "adhocracy4": "github:liqd/adhocracy4#mB-v2604.1",
-    "autoprefixer": "10.4.20",
+    "autoprefixer": "10.5.0",
     "bootstrap": "5.2.3",
     "copy-webpack-plugin": "12.0.2",
     "css-loader": "7.1.2",