build(deps): bump pytest-xdist from 3.5.0 to 3.6.0

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 3.5.0 to 3.6.0.
- [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@v3.5.0...v3.6.0)

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

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

requirements/test.txt

@@ -1,5 +1,5 @@
 -r optional.txt
 pytest==8.1.1
 pytest-cov==5.0.0
-pytest-xdist==3.5.0
+pytest-xdist==3.6.0
 syrupy==4.6.1