Bump coverage from 7.6.7 to 7.6.9

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.7 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@7.6.7...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-test.txt

@@ -1,5 +1,5 @@
 requests-mock==1.12.1
-coverage==7.6.7
+coverage==7.6.9
 coveralls==4.0.1
 flake8==7.1.1
 pep257==0.7.0