Improved Mobs 1.12.4.b

• Fabric: Fix client packet registering on server

Improved Mobs 1.12.4

• Update to 1.20.6

• equipment.json got rewritten! If you have the old version a backup will be created.
  - Modify target goal instead of remove and replace which should fix anconcurrent exception

For past versions see: https://github.com/Flemmli97/ImprovedMobs/blob/1.20.6/Changelog.md