Merge pull request #829 from AikidoSec/hansott-patch-1

Mark GraphQL v15 as supported

Author: hansott

README.md

@@ -87,7 +87,7 @@ See list above for supported database drivers.
 
 ### API tools
 
-* ✅ [`graphql`](https://www.npmjs.com/package/graphql) 16.x
+* ✅ [`graphql`](https://www.npmjs.com/package/graphql) 15.x, 16.x
 
 ### Data serialization tools