Release v1.5

[RaulPPelaez]

Several features have been included since the last release (last year), should we make a new one?

What's Changed

• Can compute parameter derivatives by @peastman in Can compute parameter derivatives #143
• Attempts at fixing CI by @peastman in Attempts at fixing CI #144
• Freeze pytorch model by @peastman in Freeze pytorch model #148
• Add energy derivatives to README by @RaulPPelaez in Add energy derivatives to README #145
• Serialize property values by @peastman in Serialize property values #152
• Update Mac build to newer versions by @peastman in Update Mac build to newer versions #153

@peastman is there anything you would like to add in before v1.5?

[jharrymoore]

It would be great to have a release on conda-forge. We are interested in using the parameter derivatives implemented here, without having to build the environment from source.

[peastman]

1.5 is now up.