Bump pytest-xdist from 2.5.0 to 3.6.1 (#619)

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 2.5.0 to 3.6.1.
- [Release notes](https://github.com/pytest-dev/pytest-xdist/releases)
- [Changelog](https://github.com/pytest-dev/pytest-xdist/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-xdist@v2.5.0...v3.6.1)

---
updated-dependencies:
- dependency-name: pytest-xdist
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/test.txt

@@ -5,7 +5,7 @@ pytest==8.3.3
 pytest-asyncio==0.24.0
 pytest-clarity==1.0.1
 pytest-lazy-fixture==0.6.3
-pytest-xdist==2.5.0
+pytest-xdist==3.6.1
 tenacity==9.0.0
 towncrier==24.8.0
 typing-extensions==4.12.2