Bump to llvm/torch-mlir@3cebce2 (#22902)

The recent bump in https://github.com/iree-org/iree/pull/22894 missed
out on some commits we need.

Signed-off-by: zjgarvey <zjgarvey@gmail.com>
diff --git a/third_party/torch-mlir b/third_party/torch-mlir
index 77d0c3e..3cebce2 160000
--- a/third_party/torch-mlir
+++ b/third_party/torch-mlir
@@ -1 +1 @@
-Subproject commit 77d0c3e2fc5485c2585edd54aff46e85962966a7
+Subproject commit 3cebce2bd718eadccc2cba385400cb3d350134ae