Build(deps): Bump codecov from 2.1.4 to 2.1.5
Build(deps): Bump codecov from 2.1.4 to 2.1.5

Bumps [codecov](https://github.com/codecov/codecov-python) from 2.1.4 to 2.1.5.
- [Release notes](https://github.com/codecov/codecov-python/releases)
- [Changelog](https://github.com/codecov/codecov-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-python/compare/v2.1.4...v2.1.5)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
aio-libs/frozenlist,aio-libs/frozenlist