GHSA-6CQF-375W-639G Gitea: RSS/Atom feed handlers bypass API-token scope & public-only confinement (incomplete fix of #37698)

Summary Gitea's RSS/Atom feed handlers accept API-token Basic auth but perform no token-scope or public-only enforcement. A personal access token that is correctly blocked HTTP 403 from a private repository on /raw, /media, /archive, and /releases/download/... — because it is marked public-only o...