feat: update field constants from labkit-spec v1.0

    # filtering in Kibana and Grafana.

    DUO_WORKFLOW_DEFINITION = "duo_workflow_definition"

    # Unique identifier for a Duo Workflow instance. Identifies a specific

    # workflow run, enabling per-workflow tracing in logs.

    DUO_WORKFLOW_ID = "duo_workflow_id"

    # Error type or classification (e.g. "NoMethodError", "ValidationError").

    ERROR_TYPE = "error_type"

      GL_USER_ID => 1,

      GL_USER_NAME => 1,

      DUO_WORKFLOW_DEFINITION => 0,

      DUO_WORKFLOW_ID => 0,

      ERROR_TYPE => 0,

      ERROR_MESSAGE => 1,

      HTTP_STATUS_CODE => 1,