Umberto Baldi

The relevant patches have been ported to https://github.com/arduino/avrdude-packing/tree/main/patches or [have been upstreamed/replaced](https://github.com/avrdudes/avrdude/pulls?q=is%3Apr+is%3Aclosed+author%3Aumbynos). The plan is to archive this repo and use only [avrdude v7.1-arduino.1](https://github.com/arduino/avrdude-packing/releases/tag/7.1-arduino.1) in the avr and megaavr cores....