feat(sdk): Introduce new API for adding custom TSA callbacks#1568

magaylor wants to merge 2 commits intocontentauth:maincontentauth/c2pa-rs:mainfrom

magaylor:user/magaylor/20251105_add_tsa_callbackmagaylor/c2pa-rs:user/magaylor/20251105_add_tsa_callbackCopy head branch name to clipboard