chore(package): update dependencies

https://greenkeeper.io/

package.json

@@ -29,7 +29,7 @@
     "lodash": "^4.17.4",
     "memory-fs": "^0.4.1",
     "webpack-node-externals": "^1.5.4",
-    "yargs": "^6.6.0"
+    "yargs": "^7.0.2"
   },
   "peerDependencies": {
     "vue-loader": "^10.3.0",
@@ -38,13 +38,13 @@
   "devDependencies": {
     "ava": "^0.18.1",
     "browser-env": "^2.0.20",
-    "css-loader": "^0.26.1",
+    "css-loader": "^0.28.0",
     "eslint": "^3.15.0",
     "eslint-config-airbnb-base": "^11.1.0",
     "eslint-plugin-html": "^2.0.0",
     "eslint-plugin-import": "^2.2.0",
     "vue": "^2.1.10",
-    "vue-loader": "^10.3.0",
+    "vue-loader": "^11.3.4",
     "vue-template-compiler": "^2.1.10",
     "webpack": "^2.2.1"
   }