Add: C++23 std::optional monadic operations #454

Job	Run time
build_linux_deprecated_extensions (gcc-9)	2m 17s
build_linux (gcc-9, NO)	1m 56s
build_linux_deprecated_extensions (gcc-10)	2m 22s
build_linux (gcc-10, NO)	2m 30s
build_linux_deprecated_extensions (clang-13)	2m 41s
build_windows (NO)	2m 53s
build_windows_deprecated_extensions	3m 55s
build_linux (gcc-10, YES)	2m 34s
build_windows (YES)	3m 14s
build_linux (clang-13, NO)	2m 42s
build_linux (clang-15, NO)	2m 9s
build_linux (clang-15, YES)	2m 24s
	31m 37s

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