[CI] fix docs build failed (#27082)

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

docs/models/supported_models.md

@@ -116,7 +116,7 @@ Here is what happens in the background when this model is loaded:
 
 1. The config is loaded.
 2. `MyModel` Python class is loaded from the `auto_map` in config, and we check that the model `is_backend_compatible()`.
-3. `MyModel` is loaded into one of the Transformers backend classes in [vllm/model_executor/models/transformers.py](../../vllm/model_executor/models/transformers.py) which sets `self.config._attn_implementation = "vllm"` so that vLLM's attention layer is used.
+3. `MyModel` is loaded into one of the Transformers backend classes in [vllm/model_executor/models/transformers](../../vllm/model_executor/models/transformers) which sets `self.config._attn_implementation = "vllm"` so that vLLM's attention layer is used.
 
 That's it!