Bump coverage from 7.6.7 to 7.6.8

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.7 to 7.6.8.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.7...7.6.8)

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

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

Author: dependabot[bot]

requirements-devel.txt

@@ -22,7 +22,7 @@ pytest-cov==6.0.0
 pytest-asyncio==0.24.0
 pytest-benchmark==5.1.0
 pytest-profiling==1.7.0
-coverage==7.6.7
+coverage==7.6.8
 pytest-xdist==3.6.1
 werkzeug==3.1.3
 pytest-httpserver==1.1.0