Update pytest-xdist requirement from ~=2.5.0 to ~=3.6.1

Updates the requirements on [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) to permit the latest version.
- [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...v3.6.1)

---
updated-dependencies:
- dependency-name: pytest-xdist
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements_for_test.txt

@@ -6,5 +6,5 @@ freezegun~=1.2.2
 pytest~=8.3.2
 pytest-cov~=3.0.0
 pytest-mock~=3.14.0
-pytest-xdist~=2.5.0
+pytest-xdist~=3.6.1
 requests-mock~=1.12.1