UID2-7165 Update GCP default max_replicas to 1

docs/guides/operator-private-gcp-confidential-space.md

@@ -235,7 +235,7 @@ Provide values for the input parameters, as needed, in the `terraform.tfvars` fi
    | `region` | `string` | `us-east1` | no | The region that you want to deploy to. For a list of valid regions, see [Available regions and zones](https://cloud.google.com/compute/docs/regions-zones#available) in the Google Cloud documentation.<br/>NOTE: The UID2 Private Operator implementation for GCP Confidential Space is not supported in these areas: Europe, China. |
    | `network_name` | `string` | `uid-operator` | no | The VPC resource name (also used for rules/ instance tags). |
    | `min_replicas` | `number` | `1` | no | Indicates the minimum number of replicas you want to deploy. |
-   | `max_replicas` | `number` | `5` | no | Indicates the maximum number of replicas you want to deploy. |
+   | `max_replicas` | `number` | `1` | no | Indicates the maximum number of replicas you want to deploy. |
    | `uid_operator_key_secret_name` | `string` | `"secret-operator-key"` | no | The name that you specify for your operator key secret. The Terraform template creates a secret in the GCP Secret Manager to hold the `uid_operator_key` value. You can define the name; for example, `uid2-operator-operator-key-secret-integ`. |
    | `debug_mode` | `bool`  | `false` | no | Do not set to `true` unless you are working with the UID2 team to debug an issue. In any other circumstances, if you set this flag to `true`, attestation will fail. |