chore: bump ngtools/webpack version

Author: ADjenkov

Diff for: e2e/single-page/package.json

@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@angular/compiler-cli": "~6.1.0",
-    "@ngtools/webpack": "~6.1.0",
+    "@ngtools/webpack": "~6.2.0-beta.3",
     "@types/chai": "^4.0.2",
     "@types/mocha": "^2.2.41",
     "@types/node": "^7.0.5",