More Music Discs

-updated to 1.21.3 for forge

-updated to 1.21.4 for neoforge

-updated to 1.21.4 for fabric

-updated to 1.21.3 for neoforge

-updated to 1.21.3 for Fabric

-updated to 1.21.1 for forge

-updated to 1.21.1 for fabric

-updated to 1.21.1 neoforge

-fixed length of music tracks

-fixed package names