Bump actions/download-artifact from 6 to 7 #4439

Job	Run time
pre-commit / check-file-sizes	6s
pre-commit / pre-commit	1m 15s
windows / clang-build	3m 18s
windows / msvc-build (Release)	4m 22s
mac / clang-build (Release)	3m 18s
mac / clang-build (Debug)	2m 25s
windows / msvc-build (Debug)	2m 55s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 57s
ubuntu / clang-build (ubuntu-24.04)	2m 45s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 10s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 32s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 1s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 40s
mac / clang-test	4m 50s
mac / clang-test-extended	3m 0s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 22s
ubuntu / gcc-test (ubuntu-24.04)	8m 22s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 36s
ubuntu / clang-test (ubuntu-24.04)	8m 29s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 23s
windows / clang-test	2m 57s
windows / msvc-test	4m 56s
windows / clang-test-extended	2m 43s
windows / msvc-test-extended	2m 54s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 31s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 57s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 48s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 42s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 42s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 29s
ubuntu / gcc-build-codecov	7m 52s
perf / macos-clang-build-perf-stats	1m 56s
perf / ubuntu-gcc-build-perf-stats	1m 27s
pages / build-scoreboard	14s
pages / build-doxygen-xml	18s
pages / build-sphinx	39s
pages / deploy-pages	0s
	2h 5m 51s

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