BLTouch V3.1 changes (#14104)

Marlin/Configuration.h

Marlin/src/Marlin.cpp

Marlin/src/feature/bltouch.cpp

Marlin/src/feature/bltouch.h

Marlin/src/inc/SanityCheck.h

Marlin/src/lcd/language/language_en.h

Marlin/src/lcd/menu/menu_advanced.cpp

Marlin/src/lcd/menu/menu_configuration.cpp

Marlin/src/module/configuration_store.cpp

config/default/Configuration.h

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

config/examples/AlephObjects/TAZ4/Configuration.h

config/examples/AliExpress/CL-260/Configuration.h

config/examples/AliExpress/UM2pExt/Configuration.h

config/examples/Anet/A2/Configuration.h

config/examples/Anet/A2plus/Configuration.h

config/examples/Anet/A6/Configuration.h

config/examples/Anet/A8/Configuration.h

config/examples/Anet/A8plus/Configuration.h

config/examples/Anet/E16/Configuration.h