fix(deps): update dependency com.graphql-java:graphql-java-extended-validation to v20

Author: renovate[bot]

gradle.properties

@@ -1,7 +1,7 @@
 LIB_GRAPHQL_SERVLET_VER=14.0.0
 LIB_GRAPHQL_SPRING_BOOT_VER=14.1.0
 LIB_GRAPHQL_TOOLS_VER=13.0.3
-LIB_GRAPHQL_EXTENDED_VALIDATION_VER=19.1
+LIB_GRAPHQL_EXTENDED_VALIDATION_VER=20.0
 LIB_SPRING_BOOT_VER=2.7.10
 sourceCompatibility=11
 targetCompatibility=11