Bump mock from 4.0.3 to 5.0.2

Bumps [mock](https://github.com/testing-cabal/mock) from 4.0.3 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@4.0.3...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]>

test-requirements.txt

@@ -6,7 +6,7 @@ pytest-pylint==0.18.0
 requests_mock==1.8.0
 pytest-xvfb==2.0.0
 keyring==23.5.0
-mock==4.0.3
+mock==5.0.2
 flake8==4.0.1
 PyQt5-stubs==5.14.2.2
 pytest-mypy==0.9.0