Bump mock from 2.0.0 to 5.1.0

Bumps [mock](https://github.com/testing-cabal/mock) from 2.0.0 to 5.1.0.
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](testing-cabal/mock@2.0.0...5.1.0)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -2,4 +2,4 @@ requests-cache==1.0.1
 pytest==7.3.1
 pycountry==22.3.5
 pytest-env==0.8.1
-mock==2.0.0
+mock==5.1.0