Wrong Mac OS version - 10.15.7

Describe the bug Script reports wrong Mac OS version.

To Reproduce Steps to reproduce the behavior: I'm calling method getOS() and result is:

Expected behavior My Mac OS version is Ventura 13.4. I should get in returned object:

{
   name: "Mac OS"
   version: "13.4"
}

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Mac OS Ventura 13.4
• Browser Brave
• Version 1.52.122 Chromium: 114.0.5735.110 (Official Build) (x86_64)]