ci: bump pytest from 8.3.5 to 8.4.0 in /test/requirements

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.5 to 8.4.0.
- [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/8.3.5...8.4.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

test/requirements/python-requirements.txt

@@ -1,6 +1,6 @@
 backoff==2.2.1
 docker==7.1.0
 packaging==25.0
-pytest==8.3.5
+pytest==8.4.0
 requests==2.32.3
 urllib3==2.4.0