Deprecate kaleido #621

Job	Run time
Code Coverage	21s
Clippy	1m 25s
Tests (ubuntu-latest)	1m 26s
semver	54s
Rustfmt	15s
Tests (macos-latest)	1m 32s
Build Examples (basic_charts)	33s
Build Examples (financial_charts)	33s
Build Wasm Examples (callback-example)	55s
Build Wasm Examples (basic)	58s
Build Examples (3d_charts)	36s
Build Examples (custom_controls)	36s
Build Examples (images)	49s
Build Examples (maps)	44s
Build Examples (customization)	35s
Build Examples (themes)	32s
Build Examples (static_export)	1m 25s
Build Examples (kaleido)	1m 26s
Build Examples (scientific_charts)	31s
Build Examples (ndarray)	34s
Build Examples (subplots)	34s
Build Examples (shapes)	35s
Build Book	1m 22s
Test Static Export with Chrome (Windows)	18s
	19m 29s

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