[TASK] Release version 2.3.0

Resolves: #58038
Releases: 2.3
Change-Id: I9eb5144b9d2cb320d4c20606be89995f5bdd3a49
Reviewed-on: https://review.typo3.org/30574
Reviewed-by: Francois Suter
Tested-by: Francois Suter