Deprecate PyTorch 1.12. for BetterTransformer (#513)
* fix check for pytorch version for bettertransformer
* Update optimum/bettertransformer/transformation.py
Co-authored-by: Younes Belkada <49240599+younesbelkada@users.noreply.github.com>
Co-authored-by: Younes Belkada <49240599+younesbelkada@users.noreply.github.com>
