Update beast from develop #2864

Job	Run time
b2-windows (windows-2019)	28m 5s
b2-posix (ubuntu-20.04)	13m 24s
cmake-install-posix (ubuntu-20.04)	5m 22s
b2-windows (windows-2022)	29m 42s
b2-posix (ubuntu-22.04)	13m 36s
cmake-install-posix (ubuntu-22.04)	5m 13s
b2-posix (ubuntu-24.04)	14m 24s
cmake-install-posix (ubuntu-24.04)	6m 0s
cmake-test-posix (ubuntu-latest)	47m 15s
cmake-install-posix (macos-13)	10m 41s
b2-posix (macos-13)	26m 45s
cmake-install-windows (windows-2019)	9m 8s
cmake-install-posix (macos-14)	4m 58s
cmake-install-windows (windows-2022)	9m 2s
b2-posix (macos-14)	11m 41s
b2-posix (macos-15)	11m 31s
cmake-test-posix-quick (ubuntu-20.04)	3m 3s
cmake-test-posix-quick (ubuntu-22.04)	2m 34s
cmake-test-windows-quick (windows-2019)	4m 58s
cmake-test-posix-quick (ubuntu-24.04)	2m 49s
cmake-test-windows-quick (windows-2022)	4m 51s
cmake-test-posix-quick (macos-13)	5m 35s
cmake-test-posix-quick (macos-14)	4m 25s
cmake-install-posix (macos-15)	5m 11s
cmake-test-posix-quick (macos-15)	4m 29s
	4h 44m 42s

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