chore: adding cas terraform module

[vandnagarggoogle]

No description provided.

[gemini-code-assist]

Summary of Changes

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This pull request introduces a new Terraform module definition to the locals.tf configuration. This addition enables the management of Google Cloud Certificate Authority Service (CAS) within the existing Terraform infrastructure, streamlining the deployment and management of private CAs.

Highlights

• New Terraform Module Definition: Added a new entry for the terraform-google-certificate-authority-service module to the locals.tf file. This definition includes the module's name, organization, description, and a list of maintainers.

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[gemini-code-assist]

Code Review

This pull request adds a new Terraform module for terraform-google-certificate-authority-service to the locals.tf configuration. The change is straightforward, but it's missing the required topics attribute for the new module definition. I've added a comment with a suggestion to include it, also demonstrating the use of setunion() for maintainers.

[gemini-code-assist]

The repos schema definition (lines 60-76) indicates that the topics attribute is required for modules (when module is true, which is the default). This new module definition is missing the topics attribute. Based on the module's name and description, the "security-identity" topic seems appropriate.

    {
      name        = "terraform-google-certificate-authority-service"
      org         = "GoogleCloudPlatform"
      description = "Create and manage CAS"
      maintainers = setunion(["viojha96","vandnagarggoogle"], local.adc_common_admins)
      topics      = local.common_topics.security
      lint_env = {
        ENABLE_BPMETADATA = "1"
      }
    },

References

1. When combining lists where uniqueness is desired, use setunion() instead of concat() to automatically handle and prevent duplicate entries, as demonstrated for maintainers.