Builds on:
* #117329: "Extract GeneralizePadOpPattern into a standalone
transformation".
* #116373: "Update pack-dynamic-inner-tile.mlir".
This update adds vectorization to the "pack-dynamic-inner-tile.mlir"
pipeline.
The pipeline first decomposes `tensor.pack` into `tensor.pad` and then
into `linalg.fill` (https://github.com/llvm/llvm-project/pull/117329).
Next, `linalg.fill` is vectorized, with vector sizes matching the inner
tile sizes of the original `tensor.pack`.
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