Reduce mixin priority

* Allows other mods to mixin to `updateFluidHeightAndDoFluidPushing` successfully more often

Author: Ocelot5836

neoforge/src/main/java/dev/ryanhcode/sable/neoforge/mixin/entity/entity_swimming/EntityMixin.java

@@ -36,7 +36,7 @@
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-@Mixin(Entity.class)
+@Mixin(value = Entity.class, priority = 500)
 public abstract class EntityMixin implements IEntityExtension {
 
     @Shadow