chore(deps): update dependency webpack-4 to v5 [security]

Author: renovate[bot]

Diff for: npm/webpack-dev-server/package.json

@@ -40,7 +40,7 @@
     "snap-shot-it": "^7.9.6",
     "ts-node": "^10.9.2",
     "webpack": "npm:webpack@^5",
-    "webpack-4": "npm:webpack@^4",
+    "webpack-4": "npm:webpack@^5.76.0",
     "webpack-dev-server-4": "npm:webpack-dev-server@^4"
   },
   "files": [