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)