Bump Plotly.js to 2.34.0 (from 2.18.1)

This adds fillgradients, autorange options and more.

Find more in https://github.com/plotly/plotly.js/releases

What's Changed

• bump plotly to 2.34.0 by @SNoof85 in #442

New Contributors

• @SNoof85 made their first contribution in #442

Full Changelog: v3.3.4...v3.3.6