Bump coverage from 6.5.0 to 7.5.0

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.5.0 to 7.5.0.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.5.0...7.5.0)

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

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

requirements-test.txt

@@ -1,5 +1,5 @@
 requests-mock==1.10.0
-coverage==6.5.0
+coverage==7.5.0
 coveralls==3.3.1
 flake8==6.0.0
 pep257==0.7.0