Ensure language.h include order

Marlin/Configuration_adv.h

Marlin/src/core/language.h

Marlin/src/core/serial.cpp

Marlin/src/feature/pause.cpp

Marlin/src/gcode/feature/pause/G60.cpp

Marlin/src/gcode/feature/pause/G61.cpp

Marlin/src/lcd/lcdprint.cpp

Marlin/src/module/configuration_store.cpp

Marlin/src/module/planner.cpp

Marlin/src/module/planner_bezier.cpp

Marlin/src/module/stepper.cpp

Marlin/src/module/temperature.cpp

Marlin/src/sd/cardreader.cpp