chore(deps): update pytest-mock requirement from >=3.12.0 to >=3.15.1

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](https://github.com/pytest-dev/pytest-mock/compare/v3.12.0...v3.15.1)

---
updated-dependencies:
- dependency-name: pytest-mock
  dependency-version: 3.15.1
  dependency-type: direct:production
...

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

requirements-dev.txt

@@ -4,7 +4,7 @@
 # Testing
 pytest>=7.0.0
 pytest-asyncio>=0.21.0
-pytest-mock>=3.10.0
+pytest-mock>=3.15.1
 pytest-benchmark>=5.2.3
 
 # Linting and formatting