[NFC][bazel] Add _tensor_ops_ext.py to SparseTensorOpsPyFiles

This corresponds to the cmake change in 81ca5aa452400843235e058bc9c83fe71eccd593

diff --git a/utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel
index 22f7dfb..e401280 100644 (file)
--- a/utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel
@@ -764,6 +764,7 @@ gentbl_filegroup(
 filegroup(
     name = "SparseTensorOpsPyFiles",
     srcs = [
+        "mlir/dialects/_tensor_ops_ext.py",
         "mlir/dialects/sparse_tensor.py",
         ":SparseTensorOpsPyGen",
     ],