Bazel

Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #1661

Job	Run time
Sanitizer tests (msan)	3m 54s
Test with tcmalloc	4m 18s
Sanitizer tests (asan)	4m 11s
Test with Bazel (avx, openmp)	1m 18s
Test with Bazel (avx, nopenmp)	1m 35s
Test with Bazel (sse, openmp)	1m 33s
Test with Bazel (sse, nopenmp)	1m 35s
Test with Bazel (basic, openmp)	1m 21s
Test with Bazel (basic, nopenmp)	1m 34s
	21m 19s

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