Use proper internal GKE service annotation

[sjberman]

Problem: The service annotation for the GKE services was improperly formatted.

Solution: Fix the annotation so it provisions the proper service.

Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

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