[bazel] buildifier reformat (llvm#160382)

Author: pranavk

utils/bazel/llvm-project-overlay/mlir/python/BUILD.bazel

@@ -1476,8 +1476,8 @@ filegroup(
         ":StructuredTransformOpsPyGen",
         ":TensorTransformOpsPyGen",
         ":TransformEnumPyGen",
-        ":TransformSMTExtensionOpsPyGen",
         ":TransformOpsPyGen",
+        ":TransformSMTExtensionOpsPyGen",
         ":VectorTransformEnumPyGen",
         ":VectorTransformOpsPyGen",
     ],