fix CI issues #131

Job	Run time
Clippy	2m 42s
Tests (ubuntu-latest)	2m 5s
Build Wasm Examples (wasm-yew-minimal)	53s
Tests (windows-latest)	5m 25s
Build Examples (3d_charts)	48s
Code Coverage	1m 57s
Tests (macos-latest)	1m 40s
Build Examples (basic_charts)	29s
Rustfmt	14s
Build Examples (custom_controls)	29s
Build Examples (financial_charts)	38s
Build Examples (images)	32s
Build Examples (kaleido)	1m 4s
Build Examples (maps)	28s
Build Examples (ndarray)	30s
Build Examples (scientific_charts)	26s
Build Examples (shapes)	36s
Build Examples (subplots)	29s
	21m 25s

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