message: Add same input/output scale constraint to gather_nd
diff: @@ -1128,6 +1128,7 @@ def TFL_GatherOp : TFL_Op<"gather", [
  def TFL_GatherNdOp : TFL_Op<"gather_nd", [
  NoSideEffect,
  + SameOperandsAndResultsScale,
  PredOpTrait<"params and output must have same element type",
  TFL_TCresVTEtIsSameAsOp<0, 0>>]> {
  let summary = "Gather_nd operator";
  