Add missing dependencies in image classification example (#30820)

fix: missing dependencies

docs/source/en/tasks/image_classification.md

@@ -38,7 +38,7 @@ To see all architectures and checkpoints compatible with this task, we recommend
 Before you begin, make sure you have all the necessary libraries installed:
 
 ```bash
-pip install transformers datasets evaluate accelerate
+pip install transformers datasets evaluate accelerate pillow torchvision scikit-learn
 ```
 
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