Bump pytest-subtests from 0.9.0 to 0.13.1

Bumps [pytest-subtests](https://github.com/pytest-dev/pytest-subtests) from 0.9.0 to 0.13.1.
- [Release notes](https://github.com/pytest-dev/pytest-subtests/releases)
- [Changelog](https://github.com/pytest-dev/pytest-subtests/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-subtests@0.9.0...v0.13.1)

---
updated-dependencies:
- dependency-name: pytest-subtests
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -1,7 +1,7 @@
 pytest==7.2.1
 pytest-cov==4.0.0
 pytest-xdist==3.2.0
-pytest-subtests==0.9.0
+pytest-subtests==0.13.1
 
 black==24.3.0
 isort==5.10.1