[Mlir-commits] [mlir] [mlir][vector] Update `CastAwayInsertLeadingOneDim` (PR #211777)

[Federico Bruzzone]

https://github.com/FedericoBruzzone approved this pull request.

Thank you for the ping @banach-space! 

LGTM % nits (you may not even manage them) :'D

https://github.com/llvm/llvm-project/pull/211777