[llvm] [mlir] [mlir][tensor] Fold linalg transpose with tensor pack (PR #74206)

[Prathamesh Tagore via llvm-commits]

meshtag wrote:

> If I remember correctly, the transpose was either the consumer or the producer in your last PR, while here, the transpose is the consumer. Why did you decide to drop the pattern for the producer?

To have a smaller diff for this PR.

https://github.com/llvm/llvm-project/pull/74206