iam-deny.yaml failing

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The issue you're having must be related to a file in this repository. We are unable to provide assistance for issues unrelated to samples in this repository.

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https://github.com/GoogleCloudPlatform/nodejs-docs-samples/actions/runs/16771028971
Invalid workflow file: .github/workflows/iam-deny.yaml#L1
(Line: 48, Col: 15): Unexpected value '', (Line: 49, Col: 10): Unexpected value 'ref', (Line: 51, Col: 15): Unexpected value '', (Line: 52, Col: 10): Unexpected value 'workload_identity_provider', (Line: 53, Col: 10): Unexpected value 'service_account', (Line: 54, Col: 10): Unexpected value 'create_credentials_file', (Line: 55, Col: 10): Unexpected value 'access_token_lifetime'

In my opinion invalid formatting of iam-deny.yaml

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