Merge pull request #339 from elbeno/add-cpp23 #950

Job	Run time
sanitize (thread, gcc)	4m 53s
quality_checks_pass	1m 1s
sanitize (address, gcc)	4m 57s
sanitize (address, clang)	5m 37s
mutate	5m 41s
sanitize (undefined, gcc)	5m 0s
sanitize (undefined, clang)	5m 19s
sanitize (thread, clang)	5m 57s
build_and_test_24 (clang, 19, 23, libstdc++, Debug)	5m 50s
build_and_test_24 (clang, 21, 23, libc++, Debug)	6m 5s
valgrind	6m 5s
build_and_test_24 (clang, 21, 23, libstdc++, Debug)	5m 47s
build_and_test_24 (gcc, 14, 23, libstdc++, Debug)	5m 42s
build_and_test_24 (gcc, 13, 23, libstdc++, Debug)	4m 46s
build_and_test_24 (clang, 18, 23, libc++, Debug)	7m 26s
build_and_test_24 (clang, 20, 23, libstdc++, Debug)	6m 8s
build_and_test_24 (clang, 20, 23, libc++, Debug)	6m 54s
build_and_test_24 (gcc, 12, 23, libstdc++, Debug)	4m 51s
build_and_test_24 (clang, 18, 23, libstdc++, Debug)	6m 1s
build_and_test_24 (clang, 19, 23, libc++, Debug)	7m 17s
merge_ok	4s
	1h 51m 21s

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