[ONNX] Update support of exporting bool type index mask (#32445)
Summary:
e.g. `tensor[torch.tensor([0, 1, 0], dtype=torch.bool)]`
Previously the mask is of type uint8. Both uint8 and bool should be supported for export.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/32445
Reviewed By: hl475
Differential Revision: D19610713
Pulled By: houseroad
fbshipit-source-id: 8df636e0c3cb0b82919a689242a962c79220209c
