Online3DViewer 0.12.0

Website news:

• 🚀 Support the rendering of lines #423 - partial implementation for obj import/export and 3dm import.
• 🚀 Update exporterbim.js force color to integer #430 - thanks to @ricaun.
• 🚀 Update third-party libraries - three.js and rhino3dm.js.

Engine news:

• 🚀 Update Github Workflows #434 - thanks to @chris-bateman.