use go1.25 for dlk8s jobs

Signed-off-by: Carlos Panato <[email protected]>

Author: cpanato

config/jobs/kubernetes-sigs/downloadkubernetes/downloadkubernetes-presubmits.yaml

@@ -8,7 +8,7 @@ presubmits:
       cluster: eks-prow-build-cluster
       spec:
         containers:
-          - image: gcr.io/k8s-staging-releng/releng-ci:latest-go1.24-bookworm
+          - image: gcr.io/k8s-staging-releng/releng-ci:latest-go1.25-bookworm
             imagePullPolicy: Always
             command:
               - make
@@ -32,7 +32,7 @@ presubmits:
       cluster: eks-prow-build-cluster
       spec:
         containers:
-          - image: gcr.io/k8s-staging-releng/releng-ci:latest-go1.24-bookworm
+          - image: gcr.io/k8s-staging-releng/releng-ci:latest-go1.25-bookworm
             imagePullPolicy: Always
             command:
               - make