fix CI issues #136

Job	Run time
Code Coverage	1m 38s
Clippy	2m 41s
Build Wasm Examples (wasm-yew-minimal)	47s
Rustfmt	14s
Tests (ubuntu-latest)	1m 37s
Build Examples (3d_charts)	26s
Tests (windows-latest)	4m 36s
Build Examples (basic_charts)	27s
Tests (macos-latest)	1m 46s
Build Examples (custom_controls)	29s
Build Examples (financial_charts)	28s
Build Examples (images)	34s
Build Examples (kaleido)	1m 28s
Build Examples (maps)	28s
Build Examples (ndarray)	25s
Build Examples (scientific_charts)	27s
Build Examples (shapes)	31s
Build Examples (subplots)	26s
	19m 28s

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