chore(deps): bump actions/download-artifact from 2 to 4 #447

Job	Run time
test (x86_64-unknown-linux-gnu, 1.67)	2m 35s
wasm-test (1.67, wasm32-unknown-unknown)	2m 53s
test (x86_64-unknown-linux-gnu, stable)	1m 9s
wasm-test (stable, wasm32-unknown-unknown)	1m 32s
python-test (stable, 3.12)	1m 22s
rebundle-wasm (stable, wasm32-unknown-unknown)	1m 44s
yarn-test (18, stable, wasm32-unknown-unknown)	2m 0s
codecov	2m 19s
yarn-test (20, stable, wasm32-unknown-unknown)	1m 53s
yarn-test (22, stable, wasm32-unknown-unknown)	2m 14s
trigger-wheels	0s
	19m 41s

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