[skip ci] Added 7.7-July release to the list of tested releases

Author: Chris Wiechmann

README.md

@@ -56,6 +56,7 @@ The automated End-2-End test suite contains of __116__ different scenarios, whic
 | 7.7-20200130    | test-with-7.7-20200130  | [![Build Status](https://img.shields.io/travis/Axway-API-Management-Plus/apim-cli/test-with-7.7-20200130)](https://travis-ci.org/Axway-API-Management-Plus/apim-cli/branches)||
 | 7.7-20200331    | test-with-7.7-20200331  | [![Build Status](https://img.shields.io/travis/Axway-API-Management-Plus/apim-cli/test-with-7.7-20200331)](https://travis-ci.org/Axway-API-Management-Plus/apim-cli/branches)||
 | 7.7-20200530    | test-with-7.7-20200530  | [![Build Status](https://img.shields.io/travis/Axway-API-Management-Plus/apim-cli/test-with-7.7-20200530)](https://travis-ci.org/Axway-API-Management-Plus/apim-cli/branches)||
+| 7.7-20200730    | test-with-7.7-20200730  | [![Build Status](https://img.shields.io/travis/Axway-API-Management-Plus/apim-cli/test-with-7.7-20200730)](https://travis-ci.org/Axway-API-Management-Plus/apim-cli/branches)||
 
 Version 7.5.3 is NOT supported. Version 7.6.2 SP3 is required.