Update README.md

Author: fubhy

README.md

@@ -1,6 +1,6 @@
 # GraphQL for Drupal
 
-[![Build Status](https://img.shields.io/travis/drupal-graphql/graphql-drupal.svg)](https://travis-ci.org/drupal-graphql/graphql)
+[![Build Status](https://img.shields.io/travis/drupal-graphql/graphql.svg)](https://travis-ci.org/drupal-graphql/graphql)
 [![Code Coverage](https://img.shields.io/codecov/c/github/drupal-graphql/graphql.svg)](https://codecov.io/gh/drupal-graphql/graphql)
 [![Code Quality](https://img.shields.io/scrutinizer/g/drupal-graphql/graphql.svg)](https://scrutinizer-ci.com/g/drupal-graphql/graphql/?branch=8.x-3.x)