feat: add native point clustering to ScatterMap #224

Job	Run time
Build Wasm Examples (basic)	1m 2s
Rustfmt	14s
Build Wasm Examples (callback-example)	1m 2s
semver	46s
Clippy	5m 57s
Code Coverage	21s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	7m 49s
Build Book	4m 33s
Build Examples (basic_charts)	36s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	4m 15s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 30s
Build Examples (customization/density_mapbox_example)	33s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 23s
Build Examples (3d_charts)	34s
Build Examples (scientific_charts)	33s
Build Examples (statistical_charts)	35s
Build Examples (maps)	39s
Build Examples (ndarray)	37s
Build Examples (images)	55s
Build Examples (financial_charts)	36s
Build Examples (custom_controls)	35s
Build Examples (shapes)	35s
Build Examples (customization/consistent_static_format_export)	1m 48s
Build Examples (kaleido)	1m 24s
Build Examples (subplots)	35s
Build Examples (customization/multiple_plots_example)	36s
Build Examples (themes)	36s
	44m 39s

Provide feedback