More Axolotl Variants API 2.1.0

2.1.0 targets

	Fabric	NeoForge
1.21.11	✅	✅
1.21.10	✅	✅
1.21.9	❌	❌
1.21.8	✅	✅
1.21.7	❌	❌
1.21.6	❌	❌
1.21.5	✅	✅

Changes

• Add targets for 1.21.10, 1.21.8, and 1.21.5.
• Readd data driven bucket variant textures from MAVAPI v1.
• Add helper methods for getting or checking for an axolotl variant in a bucket.