Bump actions/checkout from 3 to 4 (#514) #3338

Job	Run time
lint / python-lint	7s
lint / clang-format	14s
lint / shell-lint	9s
ubuntu / gcc-build (ubuntu-24.04, Release)	36s
ubuntu / gcc-build (ubuntu-24.04, Debug)	1s
mac / clang-build (Debug)	2m 3s
mac / clang-build (Release)	2m 27s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	25m 19s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 56s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1s
windows / msvc-build (Release)	13s
ubuntu / clang-build (ubuntu-24.04)	1s
windows / clang-build	2m 6s
windows / msvc-build (Debug)	5m 35s
mac / clang-test	3m 14s
mac / clang-test-extended	1m 34s
windows / clang-test	1s
windows / clang-test-extended	1s
windows / msvc-test	1s
windows / msvc-test-extended	1s
ubuntu / gcc-test-extended	1s
ubuntu / gcc-test	1s
ubuntu / clang-sanitizer-test	1s
ubuntu / clang-test-extended	1s
ubuntu / clang-test	1s
ubuntu / clang-sanitizer-build	1s
ubuntu / gcc-build-codecov	1s
ubuntu / clang-sanitizer-test-extended	1s
pages	0s
perf	0s
	45m 48s

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