Fixed logo in README.md

Author: jaaufauvre

README.md

@@ -1,5 +1,5 @@
 # Generating and Configuring a Mastercard API Client
-<img src="https://developer.mastercard.com/img/logo_cogs.svg" />
+[![](https://developer.mastercard.com/_/_/src/global/assets/svg/mcdev-logo-dark.svg)](https://developer.mastercard.com/)
 
 [![](https://github.com/Mastercard/mastercard-api-client-tutorial/workflows/broken%20links%3F/badge.svg)](https://github.com/Mastercard/mastercard-api-client-tutorial/actions?query=workflow%3A%22broken+links%3F%22)
 [![](https://img.shields.io/badge/license-MIT-yellow.svg)](https://github.com/Mastercard/mastercard-api-client-tutorial/blob/master/LICENSE)