Update env_logger requirement from 0.10 to 0.11 #22

Job	Run time
Rustfmt	15s
Clippy	4m 18s
semver	1m 8s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 8s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 23s
Build Wasm Examples (basic)	57s
Build Book	3m 27s
Build Wasm Examples (callback-example)	54s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	5m 4s
Code Coverage	10s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	4m 49s
Build Examples (basic_charts)	36s
Build Examples (custom_controls)	30s
Build Examples (3d_charts)	34s
Build Examples (financial_charts)	34s
Build Examples (customization/multiple_plots_example)	35s
Build Examples (images)	48s
Build Examples (customization/density_mapbox_example)	33s
Build Examples (customization/consistent_static_format_export)	1m 38s
Build Examples (ndarray)	29s
Build Examples (kaleido)	1m 21s
Build Examples (statistical_charts)	35s
Build Examples (maps)	46s
Build Examples (subplots)	32s
Build Examples (shapes)	34s
Build Examples (themes)	36s
Build Examples (scientific_charts)	30s
	38m 44s

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