build(coveraage): added the missing codecov dependency

Author: travi

package.json

@@ -49,6 +49,7 @@
     "boom": "4.2.0",
     "chai": "3.5.0",
     "chai-as-promised": "6.0.0",
+    "codecov": "1.0.1",
     "cross-env": "3.1.3",
     "cz-conventional-changelog": "1.2.0",
     "glue": "4.0.0",