Bump coverage from 7.6.8 to 7.6.9

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.8 to 7.6.9.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.8...7.6.9)

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

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

requirements/local.txt

@@ -10,7 +10,7 @@ pytest-sugar==0.9.7  # https://github.com/Frozenball/pytest-sugar
 # Code quality
 # ------------------------------------------------------------------------------
 # flake8 is installed as dependency in base.txt
-coverage==7.6.8  # https://github.com/nedbat/coveragepy
+coverage==7.6.9  # https://github.com/nedbat/coveragepy
 pydocstyle==6.3.0
 
 # Django