Type hints MCTCT (#19618)
* add type hints to mctct
* run auto style corrections
* change torch.bool to bool#
* Update src/transformers/models/mctct/modeling_mctct.py
Co-authored-by: Matt <Rocketknight1@users.noreply.github.com>
* Remove optional tags for attention_mask and head_mask'
* fix optional tags'
* Update src/transformers/models/mctct/modeling_mctct.py
Co-authored-by: Matt <Rocketknight1@users.noreply.github.com>
