⬆️ Bump actions/checkout from 4.1.7 to 4.2.0 #64

Job	Run time
valgrind	2m 10s
quality_checks_pass	58s
sanitize (undefined, clang)	1m 50s
build_and_test (clang, 14, 20, libc++, Debug)	1m 28s
sanitize (undefined, gcc)	2m 43s
build_and_test (clang, 15, 20, libstdc++, Debug)	1m 22s
sanitize (address, clang)	2m 26s
build_and_test (clang, 15, 20, libc++, Debug)	1m 49s
sanitize (address, gcc)	2m 30s
build_and_test (clang, 16, 20, libstdc++, Debug)	1m 36s
sanitize (thread, clang)	2m 3s
build_and_test (clang, 16, 20, libc++, Debug)	3m 4s
sanitize (thread, gcc)	2m 22s
build_and_test (clang, 17, 20, libstdc++, Debug)	2m 1s
build_and_test (clang, 17, 20, libc++, Debug)	2m 18s
build_and_test (clang, 18, 20, libstdc++, Debug)	1m 58s
build_and_test (clang, 18, 20, libc++, Debug)	2m 54s
build_and_test (gcc, 12, 20, libstdc++, Debug)	1m 51s
build_and_test (gcc, 13, 20, libstdc++, Debug)	2m 36s
merge_ok	3s
	40m 2s

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