Upgrade to graphql-java v20

Author: dondonz

.github/workflows/pull_request.yml

@@ -8,6 +8,7 @@ on:
     branches:
       - master
       - v19.x-validator-6.2.0.Final
+      - v20.x-validator-6.2.0.Final
 jobs:
   buildAndTest:
     runs-on: ubuntu-latest

build.gradle

@@ -45,8 +45,8 @@ repositories {
 
 
 dependencies {
-    api "com.graphql-java:graphql-java:19.2"
-    api "com.graphql-java:graphql-java-extended-scalars:19.0"
+    api "com.graphql-java:graphql-java:20.0"
+    api "com.graphql-java:graphql-java-extended-scalars:20.0"
     api "org.hibernate.validator:hibernate-validator:6.2.0.Final"
     api "org.glassfish:jakarta.el:3.0.4"