v7.8.1.0

Release based on OCCT/OCP 7.8.1.0.

v7.8.1.0-dev

use official sources

7.7.2.1

First release with VTK broken out into a separate cadquery-vtk wheel.

7.7.2.0

Trying to make sure only one set of metadata is found for VTK

7.7.1.0

Bumped up Ubuntu version

7.7.0a1

Pin occt version for Linux

7.7.0a0

Giving up on trying to control the MacOS build versions

7.6.3

Updated release file for new version

7.6.3a0

ocp-7.6.3alpha and vtk 9.1

7.5.3

Update config for release to main PyPi project