[Mlir-commits] [mlir] [MLIR][Python] Add support of `convert_region_types` and the bf integration test (PR #183664)

[Rolf Morel]

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

Thanks for the more targeted tests, @PragmaTwice ! 

Much easier to see `convert_region_types` in action this way.

https://github.com/llvm/llvm-project/pull/183664