build(deps): bump sigs.k8s.io/structured-merge-diff/v4 from 4.4.2 to 4.5.0 #6974

Job	Run time
Lints	3m 43s
Vulncheck	51s
Spell check	8s
Unit tests (1.23.x)	6m 39s
Windows tests	7m 15s
Unit tests (1.24.x)	6m 9s
Colima tests (QEMU, Linux host) (v0.6.5)	15m 25s
gomodjail (experimental; failures shall not block merging PRs)	10m 41s
Integration tests (QEMU, macOS host)	14m 13s
Upgrade tests (QEMU, macOS host) (v0.15.1)	13m 30s
Integration tests (QEMU, Linux host) (alpine.yaml)	6m 58s
VMNet tests (QEMU)	13m 8s
Integration tests (QEMU, Linux host) (debian.yaml)	7m 28s
Integration tests (vz) (default.yaml, true)	13m 59s
Integration tests (QEMU, Linux host) (fedora.yaml)	7m 50s
Integration tests (vz) (fedora.yaml, false)	14m 30s
Integration tests (QEMU, Linux host) (archlinux.yaml)	9m 22s
Integration tests (QEMU, Linux host) (opensuse.yaml)	8m 12s
Integration tests (QEMU, Linux host) (docker.yaml)	8m 22s
Integration tests (QEMU, Linux host) (../hack/test-templates/alpine-iso-9p-writable.yaml)	6m 35s
Integration tests (QEMU, Linux host) (../hack/test-templates/net-user-v2.yaml)	8m 4s
Integration tests (QEMU, Linux host) (../hack/test-templates/test-misc.yaml)	20m 25s
	3h 23m 27s

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