Bump pytest-xdist from 2.4.0 to 3.6.1

Bumps [pytest-xdist](https://github.com/pytest-dev/pytest-xdist) from 2.4.0 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@v2.4.0...v3.6.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

setup.cfg

@@ -109,7 +109,7 @@ dev =
     pytest              == 6.2.5   # Testing
     pytest-cov          == 5.0.0   # pytest + coverage = pytest-cov
     pytest-watch        == 4.2.0   # Automatic testing every time you save a file
-    pytest-xdist        == 2.4.0   # You got multiple cores, right?
+    pytest-xdist        == 3.6.1   # You got multiple cores, right?
     pre-commit          == 2.15.0  # Auto-run checks on every commit
     tox                 ~= 4.11.0  # A way to automate and standardize testing in Python
     types-requests      ~= 2.31.0.20240218