Add C++23 header macros. #362

Job	Run time
emscripten_wasm (emcc)	2m 16s
macos_12 (clang)	2m 32s
non_intel_ubuntu_20_04_clang (aarch64)	18m 59s
non_intel_ubuntu_20_04_clang (ppc64le)	19m 32s
non_intel_ubuntu_20_04_gcc (aarch64)	18m 3s
non_intel_ubuntu_20_04_gcc (s390x)	24m 1s
non_intel_ubuntu_20_04_gcc (ppc64le)	25m 28s
ubuntu-cuda (11)	6m 0s
ubuntu-cuda (14)	5m 9s
ubuntu-cuda (17)	5m 24s
ubuntu-focal (g++-9)	2m 33s
ubuntu-focal (g++-10)	2m 15s
ubuntu-focal (clang++-9)	1m 56s
ubuntu-focal (clang++-10)	2m 44s
macos_11 (clang)	2m 49s
macos_11 (gcc-11)	3m 23s
macos_11 (gcc-10)	3m 28s
ubuntu-jammy (g++-11)	2m 49s
ubuntu-jammy (g++-12)	2m 16s
ubuntu-jammy (clang++-14)	1m 55s
ubuntu-jammy-clang (clang++-11)	2m 46s
ubuntu-jammy-clang (clang++-12)	3m 16s
ubuntu-jammy-clang (clang++-13)	4m 10s
windows_clang_msvc_14_3 (clang-msvc-14.3)	3m 18s
windows_msvc_14_0 (msvc-14.0)	2m 1s
windows_msvc_14_2 (msvc-14.2)	2m 26s
windows_msvc_14_3 (msvc-14.3)	3m 55s
	2h 55m 24s

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