[RELEASE] Release 3.6.2

Change-Id: I06f532bda9c90bdd0c7b3b0b8efd7cb498ff39db
Reviewed-on: https://review.typo3.org/27314
Reviewed-by: Stefan Rotsch
Tested-by: Stefan Rotsch
[TASK] Set version to 3.6.dev

Change-Id: I7efde44fca2b9a7a6a61ea9e37777d7b5f310556
Reviewed-on: https://review.typo3.org/27315
Reviewed-by: Stefan Rotsch
Tested-by: Stefan Rotsch