[bazel] Add missing dep after 99d8590 (#161728)

Author: slackito

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

@@ -284,6 +284,7 @@ cc_library(
         "//mlir:InferTypeOpInterface",
         "//mlir:LLVMToLLVMIRTranslation",
         "//mlir:Pass",
+        "//mlir:SCFDialect",
         "//mlir:ToLLVMIRTranslation",
         "//mlir:TransformUtils",
         "//mlir:Transforms",