Add ScatterGeo trace support #534

Job	Run time
Rustfmt	14s
Clippy	3m 0s
Build Wasm Examples (basic)	54s
Build Examples (3d_charts)	24s
Code Coverage	8s
Build Wasm Examples (callback-example)	57s
Build Examples (basic_charts)	26s
semver	45s
Build Examples (custom_controls)	26s
Build Examples (financial_charts)	33s
Tests (ubuntu-latest)	2m 4s
Build Examples (images)	40s
Tests (windows-latest)	4m 43s
Build Examples (kaleido)	1m 9s
Build Examples (maps)	40s
Tests (macos-latest)	3m 16s
Build Examples (ndarray)	24s
Build Examples (scientific_charts)	21s
Build Examples (shapes)	33s
Build Examples (subplots)	22s
	21m 59s

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