chore(deps): update dependency autoprefixer to v10.2.4

Author: renovate-bot

package-lock.json

@@ -79,7 +79,7 @@
     "@babel/preset-typescript": "7.12.7",
     "@babel/register": "7.12.10",
     "@babel/runtime": "7.12.5",
-    "autoprefixer": "10.2.1",
+    "autoprefixer": "10.2.4",
     "babel-eslint": "10.1.0",
     "babel-loader": "8.2.2",
     "chai": "4.2.0",