Update API JID for search.jabber.network integration

The JID has been changed recently and this needs to be reflected.
The old JID was available for a certain transition period, but
that period ended a few weeks back because of a necessary
architectural change which decoupled the two domains.

Signed-off-by: lovetox <philipp@hoerist.com>
2 jobs for master in 7 minutes and 11 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #22480
code-quality

00:05:27

3.0%
 
  Build
passed #22482
windows

00:01:43