You COULD "lie" and change the jellyfin repo at /etc/apt/sources.list.d/jellyfin.sources and change the "suites" field to "noble". With the understanding that Jellyfin could potentially break if a dependency is updated at a later date.
Jellyfin 10.10.3 (Docker)
Ubuntu 24.04 LTS
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)