This PR resolves #74, as well as fix another test issue with creating image exports:
As mentioned in #74, the CI issue there is related to the bug fixed by https://github.com/glue-viz/glue-qt/pull/19. This PR works around this by skipping the dendrogram tests if numpy>=2.0
This PR also fixes an issue that popped up with the Plotly's colormap validator. This is also related to numpy as it involved using numpy float64s inside of format strings.
This PR resolves #74, as well as fix another test issue with creating image exports:
numpy>=2.0