New board: HGLRC_H743_EVO

[github-actions]

ArduPilot has a hwdef for HGLRC_H743_EVO (chibios) that fcPicker does not yet carry.

• Platform: chibios
• MCU: STM32H743xx
• Flash: 2048 KB
• hwdef: https://github.com/ArduPilot/ardupilot/tree/master/libraries/AP_HAL_ChibiOS/hwdef/HGLRC_H743_EVO

To import: run .venv/bin/python tools/build.py against an ArduPilot checkout containing this board, then commit the generated data/boards/HGLRC_H743_EVO.json.