Bump actions/download-artifact from 7 to 8 (#748) #4633

Job	Run time
pre-commit / check-file-sizes	3s
pre-commit / link-check	26s
pre-commit / pre-commit	1m 54s
windows / clang-build	2m 13s
windows / msvc-build (Debug)	6m 1s
mac / clang-build (Debug)	2m 34s
ubuntu / clang-build (ubuntu-24.04)	3m 8s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 22s
mac / clang-build (Release)	2m 55s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 4s
windows / msvc-build (Release)	2m 0s
ubuntu / gcc-test (ubuntu-24.04)	8m 22s
mac / clang-test	4m 17s
ubuntu / clang-test (ubuntu-24.04)	8m 39s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 21s
windows / clang-test	2m 54s
windows / msvc-test	6m 16s
mac / clang-test-extended	3m 4s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 56s
windows / clang-test-extended	2m 52s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 36s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 35s
windows / msvc-test-extended	3m 27s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 24s
ubuntu / gcc-build-codecov	7m 37s
perf / ubuntu-gcc-build-perf-stats	1m 29s
perf / macos-clang-build-perf-stats	1m 51s
pages / build-scoreboard	14s
pages / build-doxygen-xml	16s
pages / build-sphinx	41s
pages / deploy-pages	14s
	1h 35m 45s

Provide feedback