Bump pytest-xdist in /internal/buildscripts/packaging/tests (open-tel…

…emetry#2319)

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 3.0.2 to 3.1.0.
- [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@v3.0.2...v3.1.0)

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

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

internal/buildscripts/packaging/tests/requirements.txt

@@ -1,6 +1,6 @@
 docker==6.0.1
 pytest==7.2.0
 pytest-html==3.1.1
-pytest-xdist==3.0.2
+pytest-xdist==3.1.0
 py>=1.8.2
 six==1.16.0