Incompatible return value type

[wyli]

Describe the bug
premerge mypy issue
https://github.com/Project-MONAI/MONAI/runs/7032166426?check_suite_focus=true

mypy 0.961 (compiled: yes)
monai/transforms/spatial/array.py:361:16: error: Incompatible return value type (got "Tuple[Union[ndarray[Any, Any], Tensor], Dict[Any, Any]]", expected "Tuple[Union[ndarray[Any, Any], Tensor], Union[ndarray[Any, Any], Tensor]]")  [return-value]
Found 1 error in 1 file (checked 867 source files)
Error: Process completed with exit code 1.

fixing this when merging the PR #4576