make scatter trace specific types public (#273) #441

Job	Run time
Rustfmt	11s
semver	2m 53s
Build Wasm Examples (wasm-yew-minimal)	1m 0s
Build Examples (3d_charts)	32s
Clippy	3m 19s
Code Coverage	2m 26s
Build Examples (basic_charts)	32s
Build Examples (custom_controls)	31s
Tests (ubuntu-latest)	2m 18s
Build Examples (financial_charts)	30s
Tests (windows-latest)	3m 53s
Build Examples (images)	45s
Tests (macos-latest)	2m 15s
Build Examples (kaleido)	1m 28s
Build Examples (maps)	29s
Build Examples (ndarray)	30s
Build Examples (scientific_charts)	30s
Build Examples (shapes)	31s
Build Examples (subplots)	32s
	25m 5s

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