Bump pytest-subtests from 0.11.0 to 0.12.1 (#8896)

Bumps [pytest-subtests](https://github.com/pytest-dev/pytest-subtests) from 0.11.0 to 0.12.1.
- [Changelog](https://github.com/pytest-dev/pytest-subtests/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-subtests@v0.11.0...v0.12.1)

---
updated-dependencies:
- dependency-name: pytest-subtests
  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/test.txt

@@ -1,7 +1,7 @@
 pytest==8.1.0
 pytest-celery==1.0.0b2
 pytest-rerunfailures==13.0.0
-pytest-subtests==0.11.0
+pytest-subtests==0.12.1
 pytest-timeout==2.3.1
 pytest-click==1.1.0
 pytest-order==1.2.0