Link to OSX latest alpha broken

[ayushpahwa]

Bug Report

Current behavior

https://downloads.arduino.cc/arduino-cli/arduino-cli-latest-osx.zip
link in the readme shows file not found

Expected behavior

Environment

• CLI version (output of ardunio-cli version):
• Go version (if building from sources):
• OS version:

Additional context

[per1234]

I have submitted a pull request to fix this:
#259

The working link is:
https://downloads.arduino.cc/arduino-cli/arduino-cli-latest-macosx.zip