[Release-1.29] - Bump CoreDNS to 1.12.0

[dereknola]

Backport fix for Bump CoreDNS to 1.12.0

• Bump CoreDNS to 1.12.0 #11450

[VestigeJ]

Previous versions established here - #11450 (comment)

$ kgp -n kube-system coredns-747df8996b-hr6v7 -o yaml | grep -i image:

DEBU[0000] Asset dir /var/lib/rancher/k3s/data/79e6d52d784f766af6deafbabf85ba47fcf2740c15fc8f941f235ab850a512de
DEBU[0000] Running /var/lib/rancher/k3s/data/79e6d52d784f766af6deafbabf85ba47fcf2740c15fc8f941f235ab850a512de/bin/kubectl [kubectl get pods -n kube-system coredns-747df8996b-hr6v7 -o yaml]
    image: rancher/mirrored-coredns-coredns:1.12.0
    image: docker.io/rancher/mirrored-coredns-coredns:1.12.0

$ k3s -v

k3s version v1.29.11+k3s-75b6304a (75b6304a)
go version go1.22.8

$ echo $COMMIT

75b6304ae5e2d1730b3f0fd6b707bdaed466d4d3