kube-dns bump to v1.26.7

[guessi]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

bump the image version for the node-local-dns-cache

• registry.k8s.io/dns/k8s-dns-kube-dns:{1.26.4 -> 1.26.7}
• registry.k8s.io/dns/k8s-dns-dnsmasq-nanny:{1.26.4 -> 1.26.7}
• registry.k8s.io/dns/k8s-dns-sidecar:{1.26.4 -> 1.26.7}

Which issue(s) this PR is related to:

• promote dns v1.26.7 images k8s.io#8711
• https://github.com/kubernetes/dns/releases/tag/1.26.7

Special notes for your reviewer:

n/a

Does this PR introduce a user-facing change?

bump kube-dns and nodelocaldns to v1.26.7

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

n/a

[k8s-ci-robot]

Please note that we're already in Test Freeze for the release-1.35 branch. This means every merged PR will be automatically fast-forwarded via the periodic ci-fast-forward job to the release branch of the upcoming v1.35.0 release.

Fast forwards are scheduled to happen every 6 hours, whereas the most recent run was: Wed Dec 10 09:39:21 UTC 2025.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: guessi
Once this PR has been reviewed and has the lgtm label, please assign mrhohn for approval. For more information see the Code Review Process.

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