Unity App for macOS Minimise plugin Fix

I'm facing a problem with my Unity utility app build for macOS. The app is encountering a signing error after uploading the binary, which appears to be linked to the minimize plugin. The application needs to support multiple macOS versions.

Key Requirements:
- Expertise in Unity and macOS builds
- Experience troubleshooting signing errors
- Familiarity with the minimize plugin
- Ability to make the app compatible with multiple macOS versions

I appreciate a freelancer who can quickly diagnose and fix this issue so the app can be successfully built and released.