Bump pytest-xdist from 2.5.0 to 3.0.2 (#927)

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 2.5.0 to 3.0.2.
- [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...v3.0.2)

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

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

requirements/ci.txt

@@ -5,6 +5,6 @@ pre-commit==2.20.0
 pytest==7.1.3
 pytest-aiohttp==1.0.4
 pytest-asyncio==0.20.1
-pytest-xdist==2.5.0
+pytest-xdist==3.0.2
 re-assert==1.1.0
 towncrier==22.8.0