build(deps): bump pytest from 8.3.1 to 8.3.4 in /clients/py

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.1 to 8.3.4.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.1...8.3.4)

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

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

Author: dependabot[bot]

clients/py/optional-requirements.txt

@@ -7,5 +7,5 @@ packaging==24.1
 pluggy==1.5.0
 pycodestyle==2.12.1
 pyflakes==3.2.0
-pytest==8.3.1
+pytest==8.3.4
 pytest-asyncio==0.23.8