Bump coverage from 7.8.0 to 7.9.1 (#912)

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.8.0 to 7.9.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.8.0...7.9.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements-tests.txt

@@ -2,7 +2,7 @@ mock==5.2.0
 pytest==8.3.5
 pytest-cov==6.1.1
 pytest-benchmark==5.1.0
-coverage==7.8.0
+coverage==7.9.1
 simplejson==3.19.2
 ujson==5.9.0
 pysimdjson==6.0.2