🩹 Allow M42 S0/1 analogWrite on PWM pins (STM32) (#22631)

Marlin/src/gcode/control/M42.cpp

@@ -127,7 +127,7 @@ void GcodeSuite::M42() {
 
   #ifdef ARDUINO_ARCH_STM32
     // A simple I/O will be set to 0 by analogWrite()
-    if (pin_status <= 1) return;
+    if (pin_status <= 1 && !PWM_PIN(pin)) return;
   #endif
   analogWrite(pin, pin_status);
 }