Migrating k8s.gcr.io to registry.k8s.io

[RishabhKodes]

Description

This PR is a part of the Umbrella issue, kubernetes/k8s.io#4780

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[RishabhKodes]

@Chadha93 this PR needs review. (not sure who to tag so tagging you here) PTAL

[leecalcote]

Thank you very much, @RishabhKodes 👏

[leecalcote]

@RishabhKodes will you have a look at the other Meshery repos and seek out an other areas in need of update?

[RishabhKodes]

@RishabhKodes will you have a look at the other Meshery repos and seek out an other areas in need of update?

Yeah, I can do that but might be slow in updating all the repositories.

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