Update env_logger requirement from 0.10 to 0.11 #21

Job	Run time
Rustfmt	14s
Clippy	4m 3s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 4s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 10s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	6m 8s
semver	44s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 11s
Build Book	3m 13s
Code Coverage	19s
Build Wasm Examples (basic)	58s
Build Wasm Examples (callback-example)	54s
Build Examples (basic_charts)	37s
Build Examples (customization/consistent_static_format_export)	1m 26s
Build Examples (custom_controls)	37s
Build Examples (3d_charts)	31s
Build Examples (customization/density_mapbox_example)	33s
Build Examples (customization/multiple_plots_example)	35s
Build Examples (kaleido)	1m 29s
Build Examples (ndarray)	25s
Build Examples (themes)	32s
Build Examples (financial_charts)	38s
Build Examples (scientific_charts)	30s
Build Examples (shapes)	37s
Build Examples (images)	50s
Build Examples (maps)	44s
Build Examples (statistical_charts)	37s
Build Examples (subplots)	34s
	37m 13s

Provide feedback