Upgrade www/gitea from 1.7.4 to 1.7.5

Changelog: https://github.com/go-gitea/gitea/releases/tag/v1.7.5
BUGFIXES:

• Fix unitTypeCode not being used in accessLevelUnit
• Fix bug where manifest.json was being requested without cookies and continuously creating new sessions
• Fix ParsePatch function to work with quoted diff --git strings

PR: 236837
Submitted by: stb@lassitu.de (maintainer)