[IOT-2272] Manage ESP32 OTA

[mirkokurt]

Motivation

We want to manage the OTA update for ESP32 boards

Change description

• In case of OTA and ESP32 fqbn, a fix magic number is added to the .bin file used for the ota

Additional Notes

https://arduino.atlassian.net/browse/IOT-2272

Reviewer checklist

• PR address a single concern.
• PR title and description are properly filled.
• Changes will be merged in main.
• Changes are covered by tests.
• Logging is meaningful in case of troubleshooting.
• History is clean, commit messages are meaningful (see CONTRIBUTING.md) and are well formatted.

[pennam]

⚡ ⚡

./arduino-cloud-cli ota upload --device-id ee25290a-ea5d-4eb2-a3d9-57f1ee1f64b1 --file /tmp/arduino_build_425913/Blink.ino.bin

works on ESP32 LOLIN32 and it's incredibly fast 😮