[ONNX] Fix `any` and `all` outputs' shape (#79371)
Part of #79263
Before: When `dim` == `None` and `keepdim` == `0`(`False`), the reduced output has `[1]` shape.
After: Squeeze the output so that the shape will be `[]` as PyTorch's behavior.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/79371
Approved by: https://github.com/AllenTiTaiWang, https://github.com/BowenBao
