chore(deps): update dependency webpack to v5

Author: renovate-bot

package.json

@@ -80,7 +80,7 @@
     "tslint": "5.12.1",
     "tslint-microsoft-contrib": "6.2.0",
     "typescript": "3.3.4000",
-    "webpack": "4.44.2",
+    "webpack": "5.1.2",
     "webpack-bundle-analyzer": "3.8.0",
     "webpack-cli": "3.3.12"
   },