move from macos-12 to macos-14 (#1136) #2959

Job	Run time
build packages	16s
code-quality	1m 17s
unit test / python 3.9	1m 13s
unit test / python 3.10	1m 9s
unit test / python 3.11	1m 5s
verify packages / python 3.9 / ubuntu-latest	31s
verify packages / python 3.10 / ubuntu-latest	27s
verify packages / python 3.11 / ubuntu-latest	30s
verify packages / python 3.9 / macos-14	26s
verify packages / python 3.10 / macos-14	22s
verify packages / python 3.11 / macos-14	29s
verify packages / python 3.9 / windows-latest	1m 33s
verify packages / python 3.10 / windows-latest	1m 13s
verify packages / python 3.11 / windows-latest	1m 49s
	12m 20s

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