Bump coverage from 7.6.5 to 7.6.7

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.5 to 7.6.7.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.5...7.6.7)

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

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

requirements/requirements_test.txt

@@ -1,4 +1,4 @@
-coverage==7.6.5
+coverage==7.6.7
 pytest-cov==6.0.0
 pytest-rerunfailures==14.0
 pytest==8.3.3