fix(c5): Update PIN_RGB_LED in pins_arduino.h

Author: P-R-O-C-H-Y

Diff for: variants/esp32c5/pins_arduino.h

@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include "soc/soc_caps.h"
 
-#define PIN_RGB_LED 8
+#define PIN_RGB_LED 27
 // BUILTIN_LED can be used in new Arduino API digitalWrite() like in Blink.ino
 static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT + PIN_RGB_LED;
 #define BUILTIN_LED LED_BUILTIN  // backward compatibility