chore(package): update codecov to version 3.0.0 (#3597)

package.json

@@ -230,7 +230,7 @@
     "cheerio": "^1.0.0-rc.2",
     "chokidar-cli": "^1.2.0",
     "circular-dependency-plugin": "^4.2.1",
-    "codecov": "^2.3.0",
+    "codecov": "^3.0.0",
     "concurrently": "^3.4.0",
     "content-security-policy-parser": "^0.1.0",
     "cookie": "^0.3.1",