Bump Webpack 3.4 (facebook#2850)

* bump wp3

* try bump babel-loader

Author: themre

packages/react-scripts/package.json

@@ -25,7 +25,7 @@
     "babel-core": "6.25.0",
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",
-    "babel-loader": "7.0.0",
+    "babel-loader": "7.1.1",
     "babel-preset-react-app": "^3.0.1",
     "babel-runtime": "6.23.0",
     "case-sensitive-paths-webpack-plugin": "2.1.1",
@@ -53,7 +53,7 @@
     "style-loader": "0.18.2",
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.5.9",
-    "webpack": "3.3.0",
+    "webpack": "3.4.0",
     "webpack-dev-server": "2.6.1",
     "webpack-manifest-plugin": "1.2.1",
     "whatwg-fetch": "2.0.3"