refactor: use string axis ids (#392) #186

Job	Run time
Code Coverage	18s
semver	1m 10s
Clippy	4m 49s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 30s
Rustfmt	16s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	4m 34s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 20s
Build Wasm Examples (callback-example)	1m 5s
Build Book	4m 2s
Build Wasm Examples (basic)	1m 5s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	7m 36s
Build Examples (customization/multiple_plots_example)	33s
Build Examples (customization/consistent_static_format_export)	1m 43s
Build Examples (customization/density_mapbox_example)	33s
Build Examples (kaleido)	1m 16s
Build Examples (3d_charts)	39s
Build Examples (financial_charts)	32s
Build Examples (basic_charts)	34s
Build Examples (maps)	45s
Build Examples (scientific_charts)	33s
Build Examples (ndarray)	34s
Build Examples (themes)	35s
Build Examples (images)	53s
Build Examples (shapes)	34s
Build Examples (statistical_charts)	34s
Build Examples (custom_controls)	35s
Build Examples (subplots)	32s
	43m 10s

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