Bump pytest-mock from 1.10.1 to 3.12.0 in /server

Bumps [pytest-mock](https://github.com/pytest-dev/pytest-mock) from 1.10.1 to 3.12.0.
- [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@v1.10.1...v3.12.0)

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

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

server/dev-requirements.txt

@@ -5,7 +5,7 @@ sphinx
 sphinx-autobuild
 pytest==8.0.2
 pytest-cov==2.6.1
-pytest-mock==1.10.1
+pytest-mock==3.12.0
 responses>=0.10.6,<0.11
 httmock
 wooper