Updated readme and graphql-java

Author: oliemansm

pom.xml

@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.graphql-java</groupId>
             <artifactId>graphql-java</artifactId>
-            <version>10.0</version>
+            <version>11.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>