Merge pull request #14 from orioledb/patches17_deprecate_ubuntu_focal

Use Ubuntu 24.04 image

Support for running PG regress check on tables created with orioledb AM

This creates separate test schedule, fixes regression tests, and patches pg_regress diff params.

Merged pull request #13 from e-ivkov/checkworld

Remove tests non-existing in PG16 from parallel_schedule_oriole

Add wait event for rewind worker

Added hint bits horizon

Added hint bits horizon

Update SnapshotData: split row-level and page-level undo locations

Also, get xmin out of RetainUndoLocationPHNode.

Update SnapshotData: split row-level and page-level undo locations

Also, get xmin out of RetainUndoLocationPHNode.

Split row-level and page-level undo locations

Split row-level and page-level undo locations