ci: bump pytest from 8.4.2 to 9.0.0 in /test/requirements

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.2 to 9.0.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/8.4.2...9.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

test/requirements/python-requirements.txt

@@ -1,7 +1,7 @@
 backoff==2.2.1
 docker==7.1.0
 packaging==25.0
-pytest==8.4.2
+pytest==9.0.0
 pytest-ignore-flaky==2.2.1
 requests==2.32.5
 urllib3==2.5.0