Add FastIO TOGGLE for ESP32 (#13574)

Marlin/src/HAL/HAL_ESP32/fastio_ESP32.h

 #define PWM_PIN(P)              true
 #define USEABLE_HARDWARE_PWM(P) PWM_PIN(P)
 
+// Toggle pin value
+#define TOGGLE(IO)              WRITE(IO, !READ(IO))
+
 //
 // Ports and functions
 //