Upgrade webpack dependencies in e2e tests (#8605)

Author: dlarocque

e2e/package.json

@@ -36,8 +36,8 @@
     "mocha": "9.2.2",
     "typescript": "5.5.4",
     "webpack": "5.76.0",
-    "webpack-cli": "4.10.0",
-    "webpack-dev-server": "4.11.1"
+    "webpack-cli": "5.1.4",
+    "webpack-dev-server": "5.1.0"
   },
   "engines": {
     "node": ">=18.0.0"