www/gitea: Update to 1.17.4 (fixes security vulnerabilities)

This release fixes two security issues, a large number of bugs and
contains some enhancements.

ChangeLog: https://github.com/go-gitea/gitea/releases/tag/v1.17.4
PR: 268512
MFH: 2022Q4
Security: d0da046a-81e6-11ed-96ca-0800277bb8a8