test

CI: remove macos-12 #6178

Job	Run time
Lints	3m 33s
Integration tests (QEMU, macOS host)	8m 18s
Spell check	13s
Unit tests (1.22.x)	5m 33s
Unit tests (1.23.x)	4m 30s
Windows tests	5m 52s
Integration tests (QEMU, Linux host) (alpine.yaml)	7m 18s
Colima tests (QEMU, Linux host) (v0.6.5)	8m 29s
Integration tests (QEMU, Linux host) (debian.yaml)	7m 21s
Integration tests (QEMU, Linux host) (fedora.yaml)	7m 41s
Upgrade tests (QEMU, macOS host) (v0.15.1)	12m 35s
Integration tests (QEMU, Linux host) (archlinux.yaml)	8m 45s
Integration tests (QEMU, Linux host) (opensuse.yaml)	10m 4s
Integration tests (QEMU, Linux host) (docker.yaml)	8m 39s
VMNet tests (QEMU)	18m 31s
Integration tests (QEMU, Linux host) (../hack/test-templates/alpine-iso-9p-writable.yaml)	6m 32s
Integration tests (QEMU, Linux host) (../hack/test-templates/net-user-v2.yaml)	8m 30s
Integration tests (QEMU, Linux host) (../hack/test-templates/test-misc.yaml)	21m 18s
Integration tests (vz) (default.yaml)	12m 24s
Integration tests (vz) (fedora.yaml)	20m 43s
	3h 6m 49s

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