[TASK] Release version 1.8.0

Upload version 1.8.0 to TER.

Resolves: #58684
Releases: 1.8
Change-Id: Ibc1c13119d00638bf97a1c90bb5cb07f6dcbbda5
Reviewed-on: https://review.typo3.org/29983
Reviewed-by: Francois Suter
Tested-by: Francois Suter