• decrease overall spawnrate (in birch forests way too often) (see #6)
• add scarecrows for bamboo and cherry fences 1.20+ only
• let scarecrows spawn in plains, very rare
• fix scarecrows generating in water

• 1.21
• 1.20.6
• 1.20.4
• 1.20.1
• 1.19.3+
• 1.19.2
• 1.18.2
• 1.16.5-Forge

done in all active branches