Tags like 1.0 or v1.0 set MARKETING_VERSION, and the zipped app is
attached to a Gitea release for that tag (created if missing).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Builds a Release, ad-hoc signed app on the macos-arm64 runner and
uploads it as a zipped artifact. Also fixes INFOPLIST_FILE, which
pointed at a nonexistent MyApp/Info.plist and broke every build.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>