Merge pull request #5 from freaktechnik/greenkeeper/codecov-3.0.0

Update codecov to the latest version 🚀

Author: freaktechnik

package.json

@@ -14,7 +14,7 @@
     "@freaktechnik/eslint-config-node": "^5.1.3",
     "@freaktechnik/eslint-config-test": "^5.1.5",
     "ava": "^0.22.0",
-    "codecov": "^2.3.1",
+    "codecov": "^3.0.0",
     "eslint": "^4.9.0",
     "eslint-ava-rule-tester": "^2.0.2",
     "eslint-plugin-eslint-plugin": "^1.2.0",