fix(hunyuan-video): typo in height and width input check (#10684)

Author: badayvedat

src/diffusers/pipelines/hunyuan_video/pipeline_hunyuan_video.py

@@ -348,7 +348,7 @@ def check_inputs(
         prompt_template=None,
     ):
         if height % 16 != 0 or width % 16 != 0:
-            raise ValueError(f"`height` and `width` have to be divisible by 8 but are {height} and {width}.")
+            raise ValueError(f"`height` and `width` have to be divisible by 16 but are {height} and {width}.")
 
         if callback_on_step_end_tensor_inputs is not None and not all(
             k in self._callback_tensor_inputs for k in callback_on_step_end_tensor_inputs