3.4.7
:art: refresh/upgrade project structure (#558)
chore: add test cases for utf_7 recent fix
:bug: fix --normalize writing to wrong path with multiple files
:wrench: automatically lower confidence on small bytes str on non Unicode results (legacy detect function)
:bug: output(...) replace declarative mark using non iana compliant encoding name
:heavy_check_mark: add confidence for threading usage, mostly due to lru_cache, especially in freethreaded