Update pytest-mock requirement from ~=3.8.2 to ~=3.9.0

Updates the requirements on [pytest-mock](https://github.com/pytest-dev/pytest-mock) to permit the latest version.
- [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@v3.8.2...v3.9.0)

---
updated-dependencies:
- dependency-name: pytest-mock
  dependency-type: direct:production
...

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

requirements.txt

@@ -112,7 +112,7 @@ pyrsistent~=0.18.1
 pytest~=7.1.3
 pytest-cov~=3.0.0
 pytest-forked~=1.4.0
-pytest-mock~=3.8.2
+pytest-mock~=3.9.0
 pytest-rerunfailures~=10.2
 pytest-xdist~=2.5.0
 python-dateutil~=2.8.2