Bump mock from 2.0.0 to 5.0.2

Bumps [mock](https://github.com/testing-cabal/mock) from 2.0.0 to 5.0.2.
- [Release notes](https://github.com/testing-cabal/mock/releases)
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](testing-cabal/mock@2.0.0...5.0.2)

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

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

requirements/tests.txt

@@ -1,4 +1,4 @@
-mock==2.0.0
+mock==5.0.2
 pytest==7.1.2
 pytest-cov==3.0.0
 python-coveralls==2.9.3