Merge pull request #102 from express-vue/greenkeeper/codecov-3.0.0

Update codecov to the latest version 🚀

Author: danielcherubini

package.json

@@ -96,7 +96,7 @@
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
     "babel-preset-env": "^1.6.0",
     "babel-preset-flow": "^6.23.0",
-    "codecov": "^2.3.0",
+    "codecov": "^3.0.0",
     "coveralls": "^3.0.0",
     "eslint": "^4.7.2",
     "eslint-config-xo-space": "^0.17.0",