message: added missed parameters in Update Server API to stop PG replication
diff: "sslEnforcement": {
  "$ref": "#/definitions/SslEnforcement",
  "description": "Enable ssl enforcement or not when connect to server."
  + },
  + "replicationRole": {
  + "type": "string",
  + "description": "The replication role of the server."
  }
  },
  "x-ms-client-flatten": true,
  