pip dev(deps-dev): bump coverage from 7.6.4 to 7.6.7 in /eng

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.6.4 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@7.6.4...7.6.7)

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

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

eng/dev_requirements.txt

@@ -3,6 +3,6 @@ colorama==0.4.6
 debugpy==1.8.8
 pytest==8.3.3
 tox==4.23.2
-coverage==7.6.4
+coverage==7.6.7
 black==24.10.0
 setuptools==73.0.1