n-api: add uint32 test for -1

Adds a test to ensure that napi_get_value_uint32 returns 0xffffffff for
-1.

Re: https://github.com/nodejs/node/issues/33117


Signed-off-by: Gabriel Schulhof <gabriel.schulhof@intel.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Zeyu Yang <himself65@outlook.com>