Merge pull request #958 from graphql-java-kickstart/renovate/major-lib_graphql_java_ver

fix(deps): update dependency com.graphql-java:graphql-java to v21

Author: oliemansm

gradle.properties

@@ -29,7 +29,7 @@ VCS=Git
 SOURCE_COMPATIBILITY=17
 TARGET_COMPATIBILITY=17
 ### Dependencies
-LIB_GRAPHQL_JAVA_VER=20.4
+LIB_GRAPHQL_JAVA_VER=21.0
 LIB_EXTENDED_SCALARS_VER=20.2
 LIB_SPRING_BOOT_VER=3.1.2
 LIB_GRAPHQL_SERVLET_VER=15.1.0-SNAPSHOT