Bump pytest-cov from 5.0.0 to 6.0.0 in /images/airflow/2.10.1/etc

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 5.0.0 to 6.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

images/airflow/2.10.1/etc/airflow_constraints.txt

@@ -578,7 +578,7 @@ pypsrp==0.8.1
 pyspark==3.5.2
 pyspnego==0.11.1
 pytest-asyncio==0.24.0
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest-custom-exit-code==0.3.0
 pytest-icdiff==0.9
 pytest-instafail==0.5.0