[TASK] Raise limit for relatedFiles, relatedLinks

Change it from 10 to 100

Change-Id: I106d08d2c5fdaf3952c66140c14184bced0ca1af
Resolves: #55285
Reviewed-on: https://review.typo3.org/27038
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer