Mac Builds are unsigned

[amias-channer]

The mac builds are not signed so require some workarounds to run.

This can be avoided by adding a signing key to the github CI

Here are the instructions, i would do it in branch an PR rather than give instructions
but it should be done by a project admin because it needs repo secrets access and longer term key management.

https://localazy.com/blog/how-to-automatically-sign-macos-apps-using-github-actions

Happy to help if you get stuck