Bump codecov from 3.6.1 to 3.6.5

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.6.1 to 3.6.5.
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Commits](https://github.com/codecov/codecov-node/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -79,7 +79,7 @@
     "@types/sinon-chai": "^3.2.3",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "codecov": "^3.6.1",
+    "codecov": "^3.6.5",
     "growl": "^1.10.5",
     "gts": "^1.1.0",
     "json-loader": "^0.5.7",