chore(deps): update dependency com.graphql-java-kickstart:graphql-java-tools to v12

Author: renovate-bot

gradle.properties

@@ -15,7 +15,7 @@ LIB_PROJECT_REACTOR_VER = 1.0.1
 
 ### Test libraries
 
-LIB_GRAPHQL_TOOLS_VER = 11.1.2
+LIB_GRAPHQL_TOOLS_VER = 12.1.0
 LIB_GRAPHQL_SPRING_VER = 11.1.0
 LIB_GRAPHQL_JAVA_VER = 15.0
 LIB_GRAPHQL_SERVLET_VER = 11.1.1