Update pytest-xdist requirement from ==3.5.* to ==3.6.* (#4118)

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](https://github.com/pytest-dev/pytest-xdist/compare/v3.5.0...v3.6.1)

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

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

pyproject.toml

@@ -126,7 +126,7 @@ dev = [
   "pytest-mock==3.14.*",
   "pytest-rerunfailures==14.*",
   "pytest-sugar",
-  "pytest-xdist==3.5.*",
+  "pytest-xdist==3.6.*",
   "pytest==8.2.*",
   "responses",
 ]