Prepare v3.0.5 release

[terrillmoore]

Release v3.0.5 for bug #190.

• update platform.txt version to 3.0.5
• update Arduino.h _mcci_arduino_version value to 3,0,5,0
• Update copyright year in Arduino.h as needed
• update README.md version for badge and release history.
• generate pull request
• merge into main.
• tag and release.
• update arduino-boards