Bump mock from 5.0.2 to 5.1.0 (#558)

Bumps [mock](https://github.com/testing-cabal/mock) from 5.0.2 to 5.1.0.
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](testing-cabal/mock@5.0.2...5.1.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -29,7 +29,7 @@ tblib==2.0.0
 django-ordered-model==3.7.4
 django-health-check==3.17.0
 markdown==3.4.3
-mock==5.0.2
+mock==5.1.0
 django-request-logging==0.7.5
 django-cid==2.3
 django-dirtyfields==1.9.2