v0.15.0

PlotlyJS v0.15.0

Diff since v0.14.1

Closed issues:

• plotly-latest.min.js from artifact not working (#369)
• All plots output blank Atom window while the saved .html figures are normal. (#370)
• Warning: Kaleido is not available on this system on 1.6.0-rc3 (#371)

Merged pull requests:

• Generate artifacts using gh-actions (#372) (@jonas-kr)