Fixed readme file.

Author: IvanAndreychikov

src/main/java/com/aspose/tasks/cloud/ApiClient.java

@@ -69,7 +69,7 @@ public class ApiClient {
     private String apiVersion = "v3.0";
     private String baseUrl = "https://api.aspose.cloud";
 	private String basePath = baseUrl + "/" + apiVersion;
-	private String clientVersion = "21.4.0";
+	private String clientVersion = "21.7.0";
     private boolean debugging = false;
     private Map<String, String> defaultHeaderMap = new HashMap<String, String>();
     private String tempFolderPath = null;
@@ -1135,4 +1135,4 @@ private class GetAccessTokenResult
         public String access_token;
         public String refresh_token;
     }
-}
+}