Bump actions/download-artifact from 1 to 4 in /.github/workflows #181

Job	Run time
Bench (current, refs/pull/184/merge)	6m 4s
Builds (ubuntu-22.04, aarch64-linux-android)	1m 50s
Rustfmt	2m 46s
Bench (base, main)	3m 56s
Test Suite (stable)	6m 41s
Builds (ubuntu-22.04, x86_64-unknown-linux-musl)	1m 42s
Builds (ubuntu-22.04, wasm32-unknown-unknown, --features wasm --no-default-features)	3m 32s
Test Suite (beta)	6m 47s
Builds (macos-12, aarch64-apple-ios)	4m 32s
Test Suite (1.60.0)	2m 56s
Builds (macos-12, x86_64-apple-darwin)	3m 33s
Builds (macos-12, aarch64-apple-darwin)	4m 34s
Builds (windows-2019, x86_64-pc-windows-msvc)	9m 17s
Upload benchmark results	19s
	58m 29s

Provide feedback