Update Mac Build workflow triggers

[eedali]

Removed push and pull_request triggers for the Mac Build workflow.

Description

Please include a summary of the changes you made and the issue that is fixed.

Fixes #

Type of Change

Please check the options that are relevant:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• UI/UX improvement (visual changes or enhancements)
• Documentation update

Screenshots / Video

If your changes affect the KoBar UI (e.g., a new feature in AI Hub, a new Color Picker layout), please attach screenshots or a short video here.

Checklist

Please check all the boxes before submitting your PR:

• I have tested my code locally and it works flawlessly.
• I am strictly sure that my changes DO NOT break KoBar's "Ghost Window" (transparent window) and click-through logic.
• I have added necessary descriptions and comments to my code.
• My code does not generate any new warnings or errors in the console.