Upgrade annotations dependency

Author: yrashk

build.gradle

@@ -111,7 +111,7 @@ dependencies {
 
     // GraphQL
     compile 'com.graphql-java:graphql-java:2.0.0'
-    compile 'graphql-java-annotations:graphql-java-annotations:0.8.2'
+    compile 'graphql-java-annotations:graphql-java-annotations:0.8.4'
 
     // JSON
     compile 'com.fasterxml.jackson.core:jackson-core:2.7.3'