[1.21] Fabric API 0.101.0+1.21

• Bump version (modmuss50)
• Prevent vanilla clients from joining servers that require modded registry entries. (#3992) (Patbox)
• Throw the exception when a duplicate registry entry is found. (#3991) (modmuss)
• Add more TAWs for custom RenderLayers (#3981) (Aaron)
• Don't track fake player network addons (#3977) (modmuss)
• Add c:slime_balls tag, add more melee weapons to melee tag, add c:fertilizers tag, fix entries for some biome and food tags (#3957) (TelepathicGrunt, Chocohead)
• Translation updates (#3944) (Fabric Bot)
• Add ShadeMode to FRAPI (#3937) (PepperCode1)
• Replace redirect in lifecycle events with wrap operation (#3887) (AlphaMode)
• Resource Conditions in Pack Overlays (#3872) (Apollo, modmuss50)