build(deps-dev): bump coverage in /provisioner_examples_plugin

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.5.0 to 7.4.4.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.5.0...7.4.4)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>