message: Modify SecureString to SecretBase
diff: "type": "object",
  "properties": {
  "packagePassword": {
  - "$ref": "../datafactory.json#/definitions/SecureString",
  + "$ref": "../datafactory.json#/definitions/SecretBase",
  "description": "Password of the package."
  },
  "accessCredential": {
  "description": "UseName for windows authentication."
  },
  "password": {
  - "$ref": "../datafactory.json#/definitions/SecureString",
  + "$ref": "../datafactory.json#/definitions/SecretBase",
  "description": "Password for windows authentication."
  }
  },
  