Bump actions/checkout from 3 to 4 (#514) #3303

Job	Run time
lint / python-lint	5s
lint / shell-lint	13s
lint / clang-format	9s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 12s
ubuntu / clang-build (ubuntu-24.04-arm)	3m 5s
mac / clang-build (Release)	2m 12s
ubuntu / clang-build (ubuntu-24.04)	1m 34s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 2s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 42s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	3m 21s
windows / clang-build	2m 46s
windows / msvc-build (Release)	3m 7s
mac / clang-build (Debug)	2m 59s
windows / msvc-build (Debug)	5m 51s
windows / msvc-test	2m 53s
mac / clang-test	3m 52s
ubuntu / clang-test (ubuntu-24.04)	5m 56s
ubuntu / clang-test (ubuntu-24.04-arm)	6m 34s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	1m 42s
ubuntu / gcc-test (ubuntu-24.04)	4m 54s
ubuntu / gcc-test (ubuntu-24.04-arm)	5m 34s
windows / clang-test	2m 7s
windows / msvc-test-extended	1m 52s
mac / clang-test-extended	2m 20s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 3s
windows / clang-test-extended	2m 5s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 7s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	3m 51s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 5s
ubuntu / gcc-test-extended (ubuntu-24.04)	2m 58s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	1m 50s
ubuntu / gcc-build-codecov	5m 48s
perf / ubuntu-gcc-build-perf-stats	1m 46s
pages / build-doxygen-xml	20s
pages / build-scoreboard	14s
pages / build-sphinx	1m 15s
pages / deploy-pages	0s
	1h 39m 24s

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