Update beast from master #2762

Job	Run time
cmake-install-posix (ubuntu-20.04)	4m 50s
b2-posix (ubuntu-20.04)	12m 9s
cmake-install-posix (ubuntu-22.04)	4m 55s
b2-posix (ubuntu-22.04)	14m 23s
cmake-install-posix (ubuntu-24.04)	7m 19s
b2-windows (windows-2019)	28m 38s
b2-posix (ubuntu-24.04)	14m 11s
b2-posix (macos-13)	25m 58s
b2-windows (windows-2022)	30m 11s
cmake-install-posix (macos-13)	11m 16s
b2-posix (macos-14)	12m 3s
cmake-install-posix (macos-14)	6m 18s
b2-posix (macos-15)	10m 38s
cmake-install-posix (macos-15)	7m 0s
cmake-install-windows (windows-2019)	10m 1s
cmake-test-posix (ubuntu-latest)	39m 33s
cmake-install-windows (windows-2022)	10m 18s
cmake-test-posix-quick (ubuntu-20.04)	3m 42s
cmake-test-windows-quick (windows-2019)	6m 36s
cmake-test-posix-quick (ubuntu-22.04)	2m 45s
cmake-test-windows-quick (windows-2022)	7m 2s
cmake-test-posix-quick (ubuntu-24.04)	2m 20s
cmake-test-posix-quick (macos-13)	6m 40s
cmake-test-posix-quick (macos-14)	5m 35s
cmake-test-posix-quick (macos-15)	5m 57s
	4h 50m 18s

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