build(deps-dev): [security] bump codecov from 3.6.1 to 3.6.5 (#434)

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.6.1 to 3.6.5. **This update includes a security fix.**
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Commits](https://github.com/codecov/codecov-node/commits)

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

package.json

@@ -46,7 +46,7 @@
     "babel-loader": "8.0.6",
     "bundlesize": "0.18.0",
     "codeceptjs": "2.4.0",
-    "codecov": "3.6.1",
+    "codecov": "3.6.5",
     "concurrently": "5.0.2",
     "cross-env": "6.0.3",
     "css-loader": "3.4.2",