chore(deps): Bump coverage from 7.11.0 to 7.12.0 in /experimenter

Bumps [coverage](https://github.com/coveragepy/coveragepy) from 7.11.0 to 7.12.0.
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.11.0...7.12.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]