Migrate from k8s.gcr.io to registry.k8s.io

[shikharcodes]

This PR is a part of kubernetes/k8s.io#4780.

Proposed Changes

This PR does the following changes:

• modify all occurrences of k8s.gcr.io to registry.k8s.io.

Release Note

NONE

[knative-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: shikharcodes
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[knative-prow]

Welcome @shikharcodes! It looks like this is your first PR to knative/operator 🎉

[knative-prow]

Hi @shikharcodes. Thanks for your PR.

I'm waiting for a knative 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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[houshengbo]

Do not change anything under cmd/operator/kodata manually, because this direction is updated automatically with the script. If you propose some changes to the files in this directory, please submit changes to each repo.

For example, if you would like to change cmd/operator/kodata/eventing-source/1.6/ceph/ceph.yaml, please submit the PR to the repo: https://github.com/knative-sandbox/eventing-ceph.
Once all the other repos are updated, operator is able to pull the changes.

[shikharcodes]

Do not change anything under cmd/operator/kodata manually, because this direction is updated automatically with the script. If you propose some changes to the files in this directory, please submit changes to each repo.

For example, if you would like to change cmd/operator/kodata/eventing-source/1.6/ceph/ceph.yaml, please submit the PR to the repo: https://github.com/knative-sandbox/eventing-ceph. Once all the other repos are updated, operator is able to pull the changes.

Thanks @houshengbo, I'll take a look as suggested.

[ahmedwaleedmalik]

@houshengbo based on your suggestion I have made the following PRs, can you PTAL?

• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/eventing-rabbitmq#1100
• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/sample-source#468
• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/eventing-github#376
• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/eventing-kogito#244
• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/eventing-ceph#328
• chore: migrate from k8s.gcr.io to registry.k8s.io knative-extensions/eventing-redis#441

cc @shikharcodes

[ahmedwaleedmalik]

@houshengbo all the corresponding PRs have been merged.

@shikharcodes based on "updated automatically with the script", I think we can close this PR and mark it as done :)