replace np.int with np.int32

[tangjicheng46]

https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations

np.int has been deprecated.
There will be a error with np.int, just like this:

  File "/home/ec2-user/miniconda3/envs/roop/lib/python3.10/site-packages/insightface/app/face_analysis.py", line 84, in draw_on
    box = face.bbox.astype(np.int)
  File "/home/ec2-user/miniconda3/envs/roop/lib/python3.10/site-packages/numpy/__init__.py", line 305, in __getattr__
    raise AttributeError(__former_attrs__[attr])
AttributeError: module 'numpy' has no attribute 'int'.
`np.int` was a deprecated alias for the builtin `int`. To avoid this error in existing code, use `int` by itself. Doing this will not modify any behavior and is safe. When replacing `np.int`, you may wish to use e.g. `np.int64` or `np.int32` to specify the precision. If you wish to review your current use, check the release note link for additional information.