Add 1.17 long jump pose (#1409)

Author: kennytv

src/main/java/com/comphenix/protocol/wrappers/EnumWrappers.java

@@ -384,6 +384,7 @@ public enum EntityPose {
 		SWIMMING, 
 		SPIN_ATTACK, 
 		CROUCHING,
+		LONG_JUMPING,
 		DYING;
 
 		private final static EquivalentConverter<EntityPose> POSE_CONVERTER = EnumWrappers.getEntityPoseConverter();