Fix model integration ci (#26322)
* fix wav2vec2
* nit
* stash
* one more file to update
* fix byt5
* vocab size is 256, don't change that!
* use other revision
* test persimon in smaller size
* style
* tests
* nits
* update add tokens from pretrained
* test tokenization
* nits
* potential fnet fix?
* more nits
* nits
* correct test
* assert close
* udpate
* ouch
* fix it
* some more nits
* FINALLU
* use `adept` checkpoints
* more adept checkpoints
* that was invlved!
