ROCK Pilot - v4.0.9 (2026-10-23)

## What's Changed

* ROCK Pilot 4.0.9: missions fly in absolute heights (EGM96); takeoff shift removed by @physknoll in https://github.com/RockRobotic/rockpilot/pull/13

**Full Changelog**: https://github.com/RockRobotic/rockpilot/compare/v4.0.8-build2006...v4.0.9-build2007