Add UNPHONE to mesh.proto HardwareModel enum

See PR https://github.com/meshtastic/firmware/pull/3530 to main meshtastic firmware.

meshtastic/mesh.proto

@@ -499,6 +499,11 @@ enum HardwareModel {
    */
   HELTEC_WIRELESS_TRACKER_V1_0 = 58;
 
+  /*
+   * unPhone with ESP32-S3, TFT touchscreen,  LSM6DS3TR-C accelerometer and gyroscope
+   */
+  UNPHONE = 59;
+
   /*
    * ------------------------------------------------------------------------------------------------------------------------------------------
    * Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.