Bump v2.5.1

* Update & create translation messages
* Update copyright & GitLab links
* Update Foris JS library to v5.1.9
2 jobs for v2.5.1 in 9 minutes and 51 seconds (queued for 3 seconds)
latest
Status Name Job ID Coverage
  Test
passed lint #489586

00:06:19

passed test #489585

00:09:51