chore(deps): update webpack-dev-server (#3809)

The recent update to `[email protected]` left a missing peerDep on `webpack-dev-server`.

Author: filipesilva

package.json

@@ -116,7 +116,7 @@
     "url-loader": "^0.5.7",
     "walk-sync": "^0.2.6",
     "webpack": "2.2.0-rc.3",
-    "webpack-dev-server": "2.1.0-beta.9",
+    "webpack-dev-server": "2.2.0-rc.0",
     "webpack-merge": "^0.14.0",
     "webpack-sources": "^0.1.3",
     "yam": "0.0.18",

packages/angular-cli/package.json

@@ -96,7 +96,7 @@
     "url-loader": "^0.5.7",
     "walk-sync": "^0.2.6",
     "webpack": "2.2.0-rc.3",
-    "webpack-dev-server": "2.1.0-beta.9",
+    "webpack-dev-server": "2.2.0-rc.0",
     "webpack-merge": "^0.14.0",
     "webpack-sources": "^0.1.3",
     "yam": "0.0.18",