Support bfloat16 for Upsample2D (#9480)
* Support bfloat16 for Upsample2D
* Add test and use is_torch_version
* Resolve comments and add decorator
* Simplify require_torch_version_greater_equal decorator
* Run make style
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>
