Add owlv2 fast processor (#39041)
* add owlv2 fast image processor
* add Owlv2ImageProcessorFast to Owlv2Processor image_processor_class
* add Owlv2ImageProcessorFast to Owlv2Processor image_processor_class
* change references to owlVit to owlv2 in docstrings for post process methods
* change type hints from List, Dict, Tuple to list, dict, tuple
* remove unused typing imports
* add disable grouping argument to group images by shape
* run make quality and repo-consistency
* use modular
* fix auto_docstring
---------
Co-authored-by: Lewis Marshall <lewism@elderda.co.uk>
Co-authored-by: yonigozlan <yoni.gozlan@huggingface.co>
