macos

CI: Update FreeBSD image version for Cirrus runner. #3332

Job	Run time
macos-11 [ backend botan, shared libs on ]	2s
macos-11 [ backend botan, shared libs on ]	40m 12s
macos-12 [ backend botan, shared libs on ]	3s
macos-12 [ backend botan, shared libs on ]	9m 46s
macos-11 [ backend openssl@1.1, shared libs on ]	3s
macos-11 [ backend openssl@1.1, shared libs on ]	38m 56s
macos-12 [ backend openssl@3, shared libs on ]	1s
macos-12 [ backend openssl@3, shared libs on ]	9m 6s
macos-12 [ backend botan, shared libs off ]	18s
macos-12 [ backend botan, shared libs off ]	9m 12s
macos-12 [ backend botan3, shared libs on ]	17s
macos-12 [ backend botan3, shared libs on ]	9m 53s
	1h 57m 49s

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