KILL, BEEPER pins for LCD_FOR_MELZI (#20924)

Marlin/src/pins/sanguino/pins_SANGUINOLOLU_11.h

       #define LCD_PINS_RS                     17
       #define LCD_PINS_ENABLE                 16
       #define LCD_PINS_D4                     11
+      #define KILL_PIN                        10
+      #define BEEPER_PIN                      27
 
       #ifndef BOARD_ST7920_DELAY_1
         #define BOARD_ST7920_DELAY_1 DELAY_NS(0)