Add ScatterGeo trace support #533

Job	Run time
semver	46s
Rustfmt	15s
Clippy	3m 43s
Build Examples (3d_charts)	35s
Build Examples (basic_charts)	38s
Build Wasm Examples (basic)	55s
Build Examples (custom_controls)	31s
Code Coverage	9s
Build Wasm Examples (callback-example)	55s
Build Examples (financial_charts)	30s
Tests (ubuntu-latest)	2m 17s
Build Examples (images)	1m 38s
Tests (windows-latest)	3m 34s
Build Examples (kaleido)	1m 33s
Tests (macos-latest)	2m 37s
Build Examples (maps)	43s
Build Examples (ndarray)	24s
Build Examples (scientific_charts)	21s
Build Examples (shapes)	27s
Build Examples (subplots)	21s
	22m 52s

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