chore(package): update codecov to version 3.2.0

Author: greenkeeper[bot]

package.json

@@ -91,7 +91,7 @@
   "devDependencies": {
     "@babel/cli": "7.2.3",
     "ava": "1.2.1",
-    "codecov": "3.1.0",
+    "codecov": "3.2.0",
     "glob": "7.1.3",
     "ncp": "2.0.0",
     "nyc": "13.2.0",