add fruit jam to CI to test, remove after

Author: BlitzCityDIY

.github/workflows/githubci.yml

@@ -15,5 +15,5 @@ jobs:
       run: bash ./actions_install.sh
     - name: test platforms
       run: |
-        python3 build_platform.py uno leonardo mega2560 zero esp8266 esp32 pico_rp2040 feather_m4_express feather_rp2350
+        python3 build_platform.py uno leonardo mega2560 zero esp8266 esp32 pico_rp2040 feather_m4_express feather_rp2350 fruit_jam fruit_jam_tinyusb