Re-export ImageFormat from plotly_static into plotly package #51

Job	Run time
semver	49s
Build Book	3m 38s
Clippy	3m 48s
Code Coverage	13s
Rustfmt	14s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	3m 37s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 7s
Build Wasm Examples (callback-example)	56s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 27s
Build Wasm Examples (basic)	56s
Build Examples (basic_charts)	38s
Build Examples (3d_charts)	39s
Build Examples (customization/density_mapbox_example)	27s
Build Examples (images)	41s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 37s
Build Examples (shapes)	31s
Build Examples (maps)	39s
Build Examples (kaleido)	1m 19s
Build Examples (themes)	55s
Build Examples (customization/consistent_static_format_export)	1m 18s
Build Examples (ndarray)	31s
Build Examples (statistical_charts)	43s
Build Examples (custom_controls)	34s
Build Examples (subplots)	38s
Build Examples (customization/multiple_plots_example)	32s
Build Examples (financial_charts)	33s
Build Examples (scientific_charts)	30s
	35m 30s

Provide feedback