Bump coverlet.collector from 1.2.0 to 1.2.1
Bumps [coverlet.collector](https://github.com/tonerdo/coverlet) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/tonerdo/coverlet/releases)
- [Commits](https://github.com/tonerdo/coverlet/commits)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>