Bump pytest-xdist from 3.2.1 to 3.3.1 (#931)

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 3.2.1 to 3.3.1.
- [Changelog](https://github.com/pytest-dev/pytest-xdist/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-xdist@v3.2.1...v3.3.1)

---
updated-dependencies:
- dependency-name: pytest-xdist
  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/requirements-test.txt

@@ -1,4 +1,4 @@
 coverage==7.2.5
 pytest==7.3.1
 pytest-cov==4.0.0
-pytest-xdist==3.2.1
+pytest-xdist==3.3.1