package.json: Upgrade dependencies

package.json

@@ -92,7 +92,8 @@
     "webpack": "^4.31.0",
     "webpack-bundle-tracker": "^0.4.2-beta",
     "webpack-cli": "^3.3.2",
-    "webpack-dev-server": "^3.3.1"
+    "webpack-dev-server": "^3.4.1",
+    "wepack": "^0.0.1"
   },
   "browserslist": [
     "cover 99.5%",