Bump graphql-java-tools to next snapshot version

Author: oliemansm

gradle.properties

@@ -42,7 +42,7 @@ TARGET_COMPATIBILITY = 1.8
 LIB_GRAPHQL_JAVA_VER = 14.0
 LIB_SPRING_BOOT_VER = 2.2.6.RELEASE
 LIB_GRAPHQL_SERVLET_VER = 9.1.0
-LIB_GRAPHQL_JAVA_TOOLS_VER = 6.0.2
+LIB_GRAPHQL_JAVA_TOOLS_VER = 6.0.3-SNAPSHOT
 LIB_APACHE_COMMONS_TEXT=1.8
 LIB_JSOUP_VER=1.12.2
 kotlin.version=1.3.70