Update CI

Author: Sgw32

.github/workflows/ivzero.yml

@@ -17,7 +17,7 @@ jobs:
         platforms: |
           - source-url: https://mcudude.github.io/MiniCore/package_MCUdude_MiniCore_index.json
             name: MiniCore:avr
-        fqbn: "MiniCore:avr:48:bootloader=false,variant=modelP,BOD=2v7,LTO=Os,clock=16MHz_external"
+        fqbn: "MiniCore:avr:48:clock=16MHz_external"
         libraries: |
           - name: OneWire
           - source-url: https://github.com/PaulStoffregen/OneWire.git