Add ScatterGeo trace support #531

Job	Run time
Rustfmt	14s
Clippy	3m 12s
semver	50s
Tests (windows-latest)	4m 50s
Build Wasm Examples (callback-example)	56s
Build Wasm Examples (basic)	51s
Tests (ubuntu-latest)	2m 12s
Tests (macos-latest)	2m 24s
Build Examples (basic_charts)	25s
Code Coverage	13s
Build Examples (financial_charts)	43s
Build Examples (custom_controls)	25s
Build Examples (kaleido)	1m 15s
Build Examples (images)	42s
Build Examples (ndarray)	25s
Build Examples (maps)	28s
Build Examples (scientific_charts)	24s
Build Examples (shapes)	26s
Build Examples (subplots)	34s
Build Examples (3d_charts)	32s
	22m 1s

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