Analog joystick jogging control (#14648)

Marlin/Configuration_adv.h

Marlin/src/HAL/HAL_STM32F1/HAL.cpp

Marlin/src/Marlin.cpp

Marlin/src/core/serial.h

Marlin/src/feature/I2CPositionEncoder.cpp

Marlin/src/feature/I2CPositionEncoder.h

Marlin/src/feature/bedlevel/ubl/ubl.cpp

Marlin/src/feature/joystick.cpp

Marlin/src/feature/joystick.h

Marlin/src/gcode/parser.h

Marlin/src/inc/Conditionals_adv.h

Marlin/src/inc/Conditionals_post.h

Marlin/src/module/endstops.cpp

Marlin/src/module/temperature.cpp

Marlin/src/module/temperature.h

buildroot/share/tests/megaatmega2560-tests

config/default/Configuration_adv.h

config/examples/3DFabXYZ/Migbot/Configuration_adv.h

config/examples/ADIMLab/Gantry v1/Configuration_adv.h

config/examples/ADIMLab/Gantry v2/Configuration_adv.h