update gcp ccm to use a release tag

[cpanato]

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What type of PR is this?

/kind cleanup

What this PR does / why we need it:

• update gcp ccm to use a release tag

/hold

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Fixes #

Special notes for your reviewer:

Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

TODOs:

• [ ] squashed commits
• [ ] includes documentation
• [ ] adds unit tests

Release note:

update gcp ccm to use a release tag