build(deps-dev): bump codecov from 3.6.3 to 3.6.4

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.6.3 to 3.6.4.
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Commits](codecov/codecov-node@v3.6.3...v3.6.4)

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

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "chai": "4.2.0",
-    "codecov": "3.6.3",
+    "codecov": "3.6.4",
     "conventional-changelog-metahub": "4.0.0",
     "cz-conventional-changelog": "3.1.0",
     "mocha": "7.0.1",