Update optional from develop #2132

Job	Run time
b2-windows (windows-2019)	24m 39s
b2-windows (windows-2022)	25m 58s
b2-posix (ubuntu-20.04)	11m 25s
cmake-install-posix (ubuntu-20.04)	4m 21s
b2-posix (ubuntu-22.04)	12m 37s
cmake-install-posix (ubuntu-22.04)	4m 25s
b2-posix (macos-12)	26m 0s
cmake-install-windows (windows-2019)	8m 43s
cmake-test-posix (ubuntu-latest)	34m 46s
b2-posix (macos-13)	21m 32s
cmake-install-windows (windows-2022)	8m 25s
cmake-install-posix (macos-12)	7m 0s
b2-posix (macos-14)	9m 5s
cmake-test-posix-quick (ubuntu-20.04)	1m 58s
cmake-install-posix (macos-13)	7m 14s
cmake-test-windows-quick (windows-2019)	5m 12s
cmake-test-posix-quick (ubuntu-22.04)	1m 36s
cmake-install-posix (macos-14)	4m 30s
cmake-test-windows-quick (windows-2022)	5m 1s
cmake-test-posix-quick (macos-12)	4m 43s
cmake-test-posix-quick (macos-13)	5m 0s
cmake-test-posix-quick (macos-14)	3m 43s
	3h 57m 53s

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