[Docs] CogView4 comment fix (#10957)

* Update pipeline_cogview4.py

* Use GLM instead of T5 in doc

src/diffusers/pipelines/cogview4/pipeline_cogview4.py

@@ -143,13 +143,11 @@ class CogView4Pipeline(DiffusionPipeline):
     Args:
         vae ([`AutoencoderKL`]):
             Variational Auto-Encoder (VAE) Model to encode and decode images to and from latent representations.
-        text_encoder ([`T5EncoderModel`]):
-            Frozen text-encoder. CogView4 uses
-            [T5](https://huggingface.co/docs/transformers/model_doc/t5#transformers.T5EncoderModel); specifically the
-            [t5-v1_1-xxl](https://huggingface.co/PixArt-alpha/PixArt-alpha/tree/main/t5-v1_1-xxl) variant.
-        tokenizer (`T5Tokenizer`):
+        text_encoder ([`GLMModel`]):
+            Frozen text-encoder. CogView4 uses [glm-4-9b-hf](https://huggingface.co/THUDM/glm-4-9b-hf).
+        tokenizer (`PreTrainedTokenizer`):
             Tokenizer of class
-            [T5Tokenizer](https://huggingface.co/docs/transformers/model_doc/t5#transformers.T5Tokenizer).
+            [PreTrainedTokenizer](https://huggingface.co/docs/transformers/main/en/main_classes/tokenizer#transformers.PreTrainedTokenizer).
         transformer ([`CogView4Transformer2DModel`]):
             A text conditioned `CogView4Transformer2DModel` to denoise the encoded image latents.
         scheduler ([`SchedulerMixin`]):