Enable Access to GCE Public IPs for the GKE Integration Test Clusters

[arajmane-g]

About the Change

Enable Access to GCE Public IPs for the GKE Integration Test Clusters so that the Toolkit Clean up tool (tools/cleanup-build.py) should be able clean up resources.

Submission Checklist

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Please take the following actions before submitting this pull request.

• Fork your PR branch from the Toolkit "develop" branch (not main)
• Test all changes with pre-commit in a local branch #
• Confirm that "make tests" passes all tests
• Add or modify unit tests to cover code changes
• Ensure that unit test coverage remains above 80%
• Update all applicable documentation
• Follow Cluster Toolkit Contribution guidelines #

[arajmane-g]

Triggered a few tests. They are failing. Looking into the failures