Update BUILD.bazel due to PR llvm#121476

Breaks bazel builds due to missing dependency

Author: bartchr808

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

@@ -8391,6 +8391,7 @@ cc_library(
         ":ArithDialect",
         ":ConversionPassIncGen",
         ":EmitCDialect",
+        ":EmitCTransforms",
         ":IR",
         ":SCFDialect",
         ":TransformUtils",