multimedia/jellyfin: udpate to 10.11.6

While here split amd64 and arm64 node archives (like done in navidrome)
to fix build on arm64

Fix thunbnail and trickplay creation on fresh install by making sure
/tmp/jellyfin is created at start [1]

PR: 290908 [1]
Submitted by: ek@purplehat.org [1]