3.9.0
- Add option to include interface metadata #817 (marein)
- Register DocBlockDriver #824 (simPod)
- rewrite CacheClearerTest according to --prefer-lowest tests #842 (gam6itko)
- copy issue templates from schmittjoh/serializer #841 (gam6itko)
- add CONTRIBUTING.md and code fixing by phpcbf #840 (gam6itko)
- add CacheClearer #839 (gam6itko)
- Partially revert #820 for support PHP 8.1 Enum #836 (michaljusiega)
- Migrate CI to Github Actions #833 (simPod)