Add duo workflow status check

What does this MR do and why?

Can be used for getting more details why Duo Workflow doesn't work.

References

Related to #505344 (closed)

Implements the solution from #505344 (comment 2220401855)

MR acceptance checklist

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Screenshots or screen recordings

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Before	After

How to set up and validate locally

Sample query to use for testing:

query {
  project(fullPath: "gitlab-org/cli") {
    id
    duoWorkflowStatusCheck {
      enabled
      checks {
        name
        value
        message
      }
  	}
  }
}

Expected response:

{
  "data": {
    "project": {
      "id": "gid://gitlab/Project/21",
      "duoWorkflowStatusCheck": {
        "enabled": true,
        "checks": [
          {
            "name": "feature_flag",
            "value": true,
            "message": "duo_workflow feature flag must be enabled."
          },
          {
            "name": "duo_features_enabled",
            "value": true,
            "message": "Project must have duo features enabled."
          },
          {
            "name": "developer_access",
            "value": true,
            "message": "User must have developer access to the project."
          },
          {
            "name": "feature_available",
            "value": true,
            "message": "duo_workflow licensed feature must be available for the project and experimental features must be enabled."
          }
        ]
      }
    }
  },
  "correlationId": "01JD710VBP2781JYJ4JYVZYY3S"
}