Bump torchao >=0.15 and fix quantization CI (#44604)
* Fix
* update expected
* fix fp_quant
* fix metal
* fix mxfp4
* fix
* fix bnb
* style
* bump torchao to 0.15.0 min to have safetensor support by default
* style
* fix torchao tests
* Fix !
* style
* update docs
* update dockerfile
* build quant docker
* maybe this ?
* uncomment
