message: add logLevel/enableReliableLogging to LogStorageSettings
diff: "path": {
  "type": "object",
  "description": "The path to storage for storing detailed logs of activity execution. Type: string (or Expression with resultType string)."
  + },
  + "logLevel": {
  + "type": "object",
  + "description": "Gets or sets the log level, support: Info, Warning. Type: string (or Expression with resultType string)."
  + },
  + "enableReliableLogging": {
  + "type": "object",
  + "description": "Specifies whether to enable reliable logging. Type: boolean (or Expression with resultType boolean)."
  }
  },
  "additionalProperties": {
  