Add compiler switches

.github/workflows/build_push.yml

@@ -85,3 +85,4 @@ jobs:
           sketch-names: esp32_marauder.ino
           arduino-board-fqbn: esp32:esp32:esp32s2
           platform-url: https://github.com/espressif/arduino-esp32/releases/download/2.0.0-rc1/package_esp32_dev_index.json
+          extra-arduino-cli-args: "--warnings all -zmuldefs"