[FEATURE] Scheduler task to check for outdated extensions

Adds unit test for the scheduler.
Searches for outdated extension versions!
Adds change to review_state = 0 when new extension version was uploaded.
Adds check for beta versions for the last active supported version.

Change-Id: Ife63a7fe9a2b292aab096f7cde5e748bec262e25
Resolves: #54383
Reviewed-on: https://review.typo3.org/29026
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
Reviewed-by: Thomas Löffler
Tested-by: Thomas Löffler