Update cloudbuild image with go 1.21+

[huww98]

This is required for the GOTOOLCHAIN env to be effective.

It contains go1.22.5

Fixes: 6b05f0f
Fixes: #262

NONE

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @huww98. Thanks for your PR.

I'm waiting for a kubernetes-csi member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[Rakshith-R]

Thanks,

Adding the following info to help reviewers.

https://prow.k8s.io/?type=postsubmit&job=*external*-push-images&state=failure

This fix is related to recent image push failures

ERROR: Please install Go 1.21+
ERROR
ERROR: build step 0 "gcr.io/k8s-testimages/gcb-docker-gcloud:v20230623-56e06d7c18" failed: step exited with non-zero status: 1
--------------------------------------------------------------------------------
2024/12/11 13:15:24 Failed to run some build jobs: [error running [gcloud builds submit --verbosity info --config /home/prow/go/src/github.com/kubernetes-csi/external-provisioner/cloudbuild.yaml --substitutions _PULL_BASE_REF=master,_GIT_TAG=v20241211-v5.1.0-28-g7463124e --project k8s-staging-sig-storage --gcs-log-dir gs://k8s-staging-sig-storage-gcb/logs --gcs-source-staging-dir gs://k8s-staging-sig-storage-gcb/source gs://k8s-staging-sig-storage-gcb/source/04e41d36-f2f0-45f0-a6eb-6385641058eb.tgz]: exit status 1]