i18n: add 1.3 it_IT translations#10708

Misairuzame wants to merge 4 commits intoghostty-org:mainghostty-org/ghostty:mainfrom

Misairuzame:i18n-it_IT-1.3-translationMisairuzame/ghostty:i18n-it_IT-1.3-translationCopy head branch name to clipboard