Update base for Update on "[ET-VK] Adding all tensor packing support for repeat op."

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

Differential Revision: [D71477633](https://our.internmc.facebook.com/intern/diff/D71477633/)

[ghstack-poisoned]

Author: trivedivivek