Fabric API – [24w03b] Fabric API 0.95.1+1.20.5

– Port to 24w03b (#3537) (modmuss, ErrorCraft, apple502j, Drex, deirn)
– Add AtlasSourceTypeRegistry (#3504) (PepperCode1)
– Data Attachment API (#3476) (Syst3ms)
– fix login network addon not properly initialized (#3531) (deirn)
– Update Fabric Loader (modmuss50)