Bump pytest-mock from 3.5.1 to 3.6.1

Bumps [pytest-mock](https://github.com/pytest-dev/pytest-mock) from 3.5.1 to 3.6.1.
- [Release notes](https://github.com/pytest-dev/pytest-mock/releases)
- [Changelog](https://github.com/pytest-dev/pytest-mock/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-mock@v3.5.1...v3.6.1)

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

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

test-requirements.txt

@@ -1,7 +1,7 @@
 pytest==6.2.1
 pytest-qt==3.3.0
 pytest-cov==2.10.1
-pytest-mock==3.5.1
+pytest-mock==3.6.1
 pytest-pylint==0.18.0
 requests_mock==1.8.0
 pytest-xvfb==2.0.0