[TASK] Release version 1.7.0

Upload version 1.7.0 to TER.

Resolves: #58566
Releases: 1.7
Change-Id: Ib2c65c6ef9b2137c3111159ce19fde71d6056ff0
Reviewed-on: https://review.typo3.org/29990
Reviewed-by: Francois Suter
Tested-by: Francois Suter