[6.15.z] Bump pytest-xdist from 3.5.0 to 3.6.1 (#15167)

Bump pytest-xdist from 3.5.0 to 3.6.1 (#14906)

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 3.5.0 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@v3.5.0...v3.6.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit 97f2c88)

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

requirements.txt

@@ -18,7 +18,7 @@ pytest-order==1.2.1
 pytest-services==2.2.1
 pytest-mock==3.14.0
 pytest-reportportal==5.4.1
-pytest-xdist==3.5.0
+pytest-xdist==3.6.1
 pytest-fixturecollection==0.1.2
 pytest-ibutsu==2.2.4
 PyYAML==6.0.1