ci: use preinstalled browser binaries #180

Job	Run time
Code Coverage	8s
Rustfmt	14s
semver	51s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 11s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 14s
Clippy	4m 33s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	7m 54s
Build Book	3m 49s
Build Wasm Examples (basic)	55s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 55s
Build Examples (3d_charts)	31s
Build Examples (customization/multiple_plots_example)	37s
Build Wasm Examples (callback-example)	59s
Build Examples (customization/consistent_static_format_export)	1m 40s
Build Examples (custom_controls)	36s
Build Examples (financial_charts)	26s
Build Examples (subplots)	25s
Build Examples (basic_charts)	38s
Build Examples (kaleido)	1m 8s
Build Examples (scientific_charts)	39s
Build Examples (maps)	45s
Build Examples (images)	47s
Build Examples (customization/density_mapbox_example)	31s
Build Examples (statistical_charts)	27s
Build Examples (ndarray)	31s
Build Examples (themes)	31s
Build Examples (shapes)	27s
	40m 22s

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