Fix typo in README.md #113

Job	Run time
Build Wasm Examples (callback-example)	54s
Code Coverage	14s
Rustfmt	16s
Build Book	3m 34s
Clippy	4m 8s
semver	52s
Build Wasm Examples (basic)	56s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	6m 35s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 19s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 23s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 21s
Build Examples (3d_charts)	26s
Build Examples (custom_controls)	27s
Build Examples (basic_charts)	35s
Build Examples (customization/consistent_static_format_export)	1m 24s
Build Examples (customization/density_mapbox_example)	33s
Build Examples (financial_charts)	33s
Build Examples (scientific_charts)	34s
Build Examples (kaleido)	1m 17s
Build Examples (customization/multiple_plots_example)	31s
Build Examples (maps)	45s
Build Examples (ndarray)	34s
Build Examples (shapes)	32s
Build Examples (subplots)	32s
Build Examples (themes)	27s
Build Examples (statistical_charts)	34s
Build Examples (images)	52s
	38m 8s

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