Pure metadata change - allows site admin to create a new
site which uses Fluid 3.0.

A separate change will come in TYPO3 v9.

Releases: master
Resolves: #90285
Change-Id: I5de150a4a8b7d99b12a50b2b5c9eb36462121f06
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63132


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>