gs (#48288)
* add granite speech 5
* nits
* add pipeline snippet
* more nits
* yet another nit
* no need
* fullgraph compile works
* add device in AudioKwargs
* faster FE
* update doc
* clarify config.num_mel_bins * 4
* inherit GraniteSpeech5EncoderAttention
* nit
* remove get_num_encoder_frames
* remove einsum
* add keep in fp32 strict
* conversion script update
* fixtures reproducer
* make
* TRF038 does not apply here
