Use `upload_protocol = esptool` as with the other heltec devices instead of `esp-builtin` (#4151)

variants/heltec_wireless_tracker/platformio.ini

@@ -1,7 +1,7 @@
 [env:heltec-wireless-tracker]
 extends = esp32s3_base
 board = heltec_wireless_tracker
-upload_protocol = esp-builtin
+upload_protocol = esptool
 
 build_flags = 
   ${esp32s3_base.build_flags} -I variants/heltec_wireless_tracker
@@ -11,4 +11,4 @@ build_flags =
 
 lib_deps =
   ${esp32s3_base.lib_deps}
-  lovyan03/LovyanGFX@^1.1.8
+  lovyan03/LovyanGFX@^1.1.8