Update cobalt from develop #3028

Job	Run time
cmake-install-posix (ubuntu-20.04)	4m 37s
b2-posix (ubuntu-20.04)	12m 57s
cmake-install-posix (ubuntu-22.04)	5m 50s
b2-posix (ubuntu-22.04)	12m 38s
cmake-install-posix (ubuntu-24.04)	4m 21s
cmake-install-windows (windows-2019)	9m 36s
b2-posix (ubuntu-24.04)	13m 9s
cmake-test-posix (ubuntu-latest)	49m 0s
cmake-install-posix (macos-13)	7m 59s
cmake-install-posix (macos-14)	5m 6s
b2-posix (macos-13)	28m 2s
cmake-install-posix (macos-15)	5m 2s
b2-posix (macos-14)	14m 11s
cmake-test-posix-quick (ubuntu-20.04)	2m 2s
cmake-install-windows (windows-2022)	8m 37s
b2-posix (macos-15)	10m 45s
cmake-test-posix-quick (ubuntu-22.04)	2m 45s
cmake-test-windows-quick (windows-2019)	5m 7s
cmake-test-posix-quick (ubuntu-24.04)	2m 38s
cmake-test-windows-quick (windows-2022)	6m 7s
cmake-test-posix-quick (macos-13)	5m 15s
cmake-test-posix-quick (macos-14)	4m 5s
cmake-test-posix-quick (macos-15)	4m 16s
b2-windows (windows-2019)	29m 29s
b2-windows (windows-2022)	29m 57s
	4h 43m 31s

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