python-pytest: bump to 9.0.2

python-pytest: bump to 9.0.2

Changelog since 7.4.0:
- v8.1.0: Add namespace packages support; fine-grained verbosity control;
  improved --import-mode=importlib behavior
- v8.2.0: Add command-line argument files via @filename syntax; add
  PYTEST_VERSION env variable; requires pluggy>=1.5.0
- v8.3.0: Add --xfail-tb flag; marker keyword matching; --no-fold-skipped
  option; better virtual environment detection
- v8.4.0: Async tests without suitable plugin now fail (not warned);
  tests returning non-None values now fail; drop Python 3.8 support;
  add pytest.RaisesGroup for ExceptionGroup matching
- v9.0.0: Drop Python 3.9 support; subtest support via pytest.Subtests;
  native TOML config in [tool.pytest] table; strict mode options;
  PytestRemovedIn9Warning deprecations are now errors
- v9.0.1: Restore "raise unittest.SkipTest" support; disable terminal
  progress for iTerm2
- v9.0.2: Disable terminal progress by default; fix config.inicfg
  compatibility; fix quadratic-time behavior with unittest subtests

Add python3-pygments dependency (new requirement since 8.x).
Add test.sh.

Full changelog:
https://github.com/pytest-dev/pytest/releases

Signed-off-by: Alexandru Ardelean <redacted>