Add ScatterGeo trace support #532

Job	Run time
Tests (ubuntu-latest)	1m 42s
Tests (windows-latest)	4m 52s
Clippy	2m 9s
Build Examples (3d_charts)	32s
Tests (macos-latest)	1m 50s
Build Wasm Examples (basic)	49s
Build Examples (basic_charts)	39s
Build Wasm Examples (callback-example)	57s
Build Examples (custom_controls)	28s
Code Coverage	9s
Rustfmt	13s
Build Examples (financial_charts)	24s
semver	54s
Build Examples (images)	37s
Build Examples (kaleido)	1m 56s
Build Examples (maps)	39s
Build Examples (ndarray)	26s
Build Examples (scientific_charts)	21s
Build Examples (shapes)	27s
Build Examples (subplots)	23s
	20m 27s

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