Update for ArduPilot ARMING_SKIPCHK

https://github.com/ArduPilot/ardupilot/pull/31568

This probably needs an update to the dropdown in the Standard Params list. Just guessing based on what was on the wiki:

<img width="1022" height="574" alt="Image" src="https://github.com/user-attachments/assets/9eec90b8-7035-43ec-9ef0-fbd439511c10" />