Update beast from develop #2798

Job	Run time
b2-windows (windows-2019)	20m 50s
b2-windows (windows-2022)	20m 55s
cmake-install-posix (ubuntu-20.04)	2m 5s
b2-posix (ubuntu-20.04)	9m 27s
cmake-install-posix (ubuntu-22.04)	2m 18s
cmake-install-windows (windows-2019)	7m 42s
cmake-test-posix (ubuntu-latest)	17m 39s
cmake-install-windows (windows-2022)	7m 33s
cmake-install-posix (ubuntu-24.04)	2m 26s
cmake-install-posix (macos-13)	4m 32s
b2-posix (ubuntu-22.04)	9m 19s
cmake-install-posix (macos-14)	4m 25s
b2-posix (ubuntu-24.04)	11m 36s
cmake-test-posix-quick (ubuntu-20.04)	1m 43s
cmake-install-posix (macos-15)	4m 3s
cmake-test-posix-quick (ubuntu-22.04)	1m 46s
b2-posix (macos-13)	13m 34s
cmake-test-posix-quick (ubuntu-24.04)	1m 51s
b2-posix (macos-14)	9m 43s
cmake-test-windows-quick (windows-2019)	4m 50s
cmake-test-posix-quick (macos-13)	5m 10s
b2-posix (macos-15)	9m 51s
cmake-test-posix-quick (macos-14)	4m 5s
cmake-test-windows-quick (windows-2022)	5m 13s
cmake-test-posix-quick (macos-15)	3m 51s
	3h 6m 27s

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