Update on "[ET-VK] Adding all tensor packing support to cat op."

This diff updates Executorch Vulkan backend's cat operation to support width, height and channel packed tensors.
It also updates the op_registry.py file to indicate cat operation supports all packing and adds new test cases to the cases.py file to test the operation.

Differential Revision: [D71230768](https://our.internmc.facebook.com/intern/diff/D71230768/)

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Author: trivedivivek