[TASK] Version set to 3.2.0

Resolves: #52870
Releases: 3-1
Change-Id: Icd0fcb88320fcbed0f2d07f9f683af88d920ac67
Reviewed-on: https://review.typo3.org/24826
Reviewed-by: Thomas Loeffler
Tested-by: Thomas Loeffler