Before opening the issue, have you...?

• Searched for existing issues
• Looked through the wiki
• Updated MonitorControl to the latest version (if applicable)

Describe the bug

Nothing happens when using the volume keys on the keyboard or app slider. But the brightness slider works fine.
Recently, I updated my mac os. Before the update, everything was working fine.

Steps to reproduce

1. go to app
2. use the volume slider (nothing happens)
3. use the brightness slider (works fine)

Expected behavior

Volume to respond

Anything else?

• macOS version: 15.2
• Mac model: 2019 intel i7 macbook pro 16"
• MonitorControl version: 4.3.3
• Monitor(s): BenQ2480
• Apple Silicon/M1 (yes or no): no

Environment Information (please complete the following information)

- macOS version:
- Mac model:
- MonitorControl version:
- Monitor(s):
- Apple Silicon/M1 (yes or no): no