chore(deps-dev): bump codecov from 3.6.1 to 3.8.1

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.6.1 to 3.8.1.
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Changelog](https://github.com/codecov/codecov-node/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-node@v3.6.1...v3.8.1)

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

Author: dependabot[bot]