build(deps): Bump syn to 2 and darling to 0.20 (#167) #159

Job	Run time
Rustfmt	22s
Clippy	3m 7s
Code Coverage	2m 6s
Build Examples (3d_charts)	32s
Build Wasm Examples (wasm-yew-minimal)	43s
Tests (ubuntu-latest)	2m 12s
Build Examples (basic_charts)	36s
Build Examples (custom_controls)	26s
Tests (windows-latest)	4m 55s
Build Examples (financial_charts)	36s
Tests (macos-latest)	2m 2s
Build Examples (images)	32s
Build Examples (kaleido)	1m 9s
Build Examples (maps)	25s
Build Examples (ndarray)	33s
Build Examples (scientific_charts)	46s
Build Examples (shapes)	48s
Build Examples (subplots)	25s
	22m 15s

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