Add Treemap and Sunburst trace types; upgrade plotly.js from 3.0.1 to 3.6.0 #204

Job	Run time
semver	46s
Rustfmt	13s
Code Coverage	9s
Build Wasm Examples (callback-example)	55s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	6m 44s
Clippy	4m 47s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 47s
Build Wasm Examples (basic)	56s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 23s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 24s
Build Book	3m 54s
Build Examples (customization/consistent_static_format_export)	1m 40s
Build Examples (3d_charts)	35s
Build Examples (financial_charts)	33s
Build Examples (images)	46s
Build Examples (scientific_charts)	30s
Build Examples (customization/density_mapbox_example)	26s
Build Examples (customization/multiple_plots_example)	36s
Build Examples (custom_controls)	24s
Build Examples (maps)	43s
Build Examples (ndarray)	26s
Build Examples (basic_charts)	35s
Build Examples (kaleido)	1m 18s
Build Examples (statistical_charts)	33s
Build Examples (subplots)	30s
Build Examples (shapes)	32s
Build Examples (themes)	27s
	39m 32s

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