2.8.0-alpha1

What's Changed

• fix(ci): Nugets release by @AlanRynne in #1455
• FIX(ci): Nuget version picking nuget prefix instead of version. by @AlanRynne in #1456
• using units from speckle instead of etabs default by @connorivy in #1451
• fix(revit): pointclouds now scaled appropriately by @clairekuang in #1459
• fix(ci): Removes -mac suffix from slug as OS is now it's own parameter by @AlanRynne in #1462
• feat(dui): updates to avalonia 0.10.17 by @teocomi in #1454
• Update from main onto release/2.8 by @AlanRynne in #1463
• rhino: changes user attributes from dict to base by @clairekuang in #1464
• feat(dui2/rhino/revit): better reporting and previews by @clairekuang in #1450

Full Changelog: 2.7.0...2.8.0-alpha1