CI: (deps): Bump coverage from 7.15.0 to 7.16.0 in /ci-dev

Bumps [coverage](https://github.com/coveragepy/coveragepy) from 7.15.0 to 7.16.0.
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.15.0...7.16.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ci-dev/test_requirements.txt

@@ -1,5 +1,5 @@
 packaging==26.3
 pytest==9.1.1
 pytest-mpl==0.19.0
-coverage==7.15.0
+coverage==7.16.0
 vcrpy==8.3.0