kubeadm: increase timeout for dryrun-without-cluster

[SataQiu]

kubeadm: increase timeout for dryrun-without-cluster

Hopefully, the execution can be complete in 15 minutes. Not sure what timeout should be set to.

fix: https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/ci-kubernetes-e2e-kubeadm-kinder-dryrun-latest/1856721175695069184

[neolit123]

/lgtm /hold

you can cancel the hold if you think the increase is needed.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: neolit123, SataQiu

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes/kubeadm/blob/main/OWNERS)~~ [SataQiu,neolit123] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[pacoxu]

/test pull-kubeadm-kinder-upgrade-latest https://testgrid.k8s.io/sig-cluster-lifecycle-kubeadm#kubeadm-kinder-dryrun-latest keeps timeout

[pacoxu]

Does the presubmit yaml need an update as well? https://github.com/kubernetes/kubeadm/blob/main/kinder/ci/workflows/presubmit-upgrade-tasks.yaml

[SataQiu]

/hold cancel