Bump actions/download-artifact from 7 to 8 #4614

Job	Run time
pre-commit / check-file-sizes	3s
pre-commit / link-check	15s
pre-commit / pre-commit	1m 56s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 12s
windows / clang-build	2m 29s
mac / clang-build (Debug)	2m 48s
mac / clang-build (Release)	2m 51s
windows / msvc-build (Release)	2m 8s
ubuntu / clang-build (ubuntu-24.04)	2m 50s
windows / msvc-build (Debug)	3m 18s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 9s
mac / clang-test	4m 24s
ubuntu / gcc-test (ubuntu-24.04)	8m 26s
mac / clang-test-extended	3m 6s
windows / msvc-test	4m 47s
windows / clang-test	3m 12s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 29s
ubuntu / clang-test (ubuntu-24.04)	8m 30s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 54s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 35s
windows / msvc-test-extended	2m 46s
windows / clang-test-extended	2m 50s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 37s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 30s
ubuntu / gcc-build-codecov	7m 19s
perf / macos-clang-build-perf-stats	1m 39s
perf / ubuntu-gcc-build-perf-stats	1m 34s
pages / build-doxygen-xml	17s
pages / build-scoreboard	17s
pages / build-sphinx	38s
pages / deploy-pages	0s
	1h 30m 49s

Provide feedback