[Relax] Update dropout call_tir out_ty spelling (#19874)

This updates the remaining dropout expected TVMScript after the Relax
call_tir spelling changed from out_sinfo to out_ty.

The affected call returns two tensors, matching nearby multi-output
call_tir sites that already use out_ty=[...].

Author: tqchen

tests/python/relax/test_transform_legalize_ops_nn.py

@@ -4198,7 +4198,7 @@ def dropout(x: T.Buffer((T.int64(2), T.int64(3)), "float32"), compute: T.Buffer(
         @R.function
         def main(x: R.Tensor((2, 3), dtype="float32")) -> R.Tuple(R.Tensor((2, 3), dtype="float32"), R.Tensor((2, 3), dtype="float32")):
             cls = Expected
-            gv = R.call_tir(cls.dropout, (x,), out_sinfo=[R.Tensor((2, 3), dtype="float32"), R.Tensor((2, 3), dtype="float32")])
+            gv = R.call_tir(cls.dropout, (x,), out_ty=[R.Tensor((2, 3), dtype="float32"), R.Tensor((2, 3), dtype="float32")])
             return gv
     # fmt: on