Upgrade to GraphQL Java 20.8

Closes gh-40020

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/graphql/GraphQlAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,8 +24,7 @@ import java.util.List;
 
 import graphql.GraphQL;
 import graphql.execution.instrumentation.Instrumentation;
-import graphql.schema.idl.RuntimeWiring.Builder;
-import graphql.schema.visibility.NoIntrospectionGraphqlFieldVisibility;
+import graphql.introspection.Introspection;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
@@ -102,7 +101,7 @@ public class GraphQlAutoConfiguration {
 			.subscriptionExceptionResolvers(subscriptionExceptionResolvers.orderedStream().toList())
 			.instrumentation(instrumentations.orderedStream().toList());
 		if (!properties.getSchema().getIntrospection().isEnabled()) {
-			builder.configureRuntimeWiring(this::enableIntrospection);
+			Introspection.enabledJvmWide(false);
 		}
 		builder.configureTypeDefinitions(new ConnectionTypeDefinitionConfigurer());
 		wiringConfigurers.orderedStream().forEach(builder::configureRuntimeWiring);
@@ -110,10 +109,6 @@ public class GraphQlAutoConfiguration {
 		return builder.build();
 	}
 
-	private Builder enableIntrospection(Builder wiring) {
-		return wiring.fieldVisibility(NoIntrospectionGraphqlFieldVisibility.NO_INTROSPECTION_FIELD_VISIBILITY);
-	}
-
 	private Resource[] resolveSchemaResources(ResourcePatternResolver resolver, String[] locations,
 			String[] extensions) {
 		List<Resource> resources = new ArrayList<>();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/GraphQlAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,12 +21,12 @@ import java.nio.charset.StandardCharsets;
 import graphql.GraphQL;
 import graphql.execution.instrumentation.ChainedInstrumentation;
 import graphql.execution.instrumentation.Instrumentation;
+import graphql.introspection.Introspection;
 import graphql.schema.GraphQLObjectType;
 import graphql.schema.GraphQLOutputType;
 import graphql.schema.GraphQLSchema;
 import graphql.schema.idl.RuntimeWiring;
 import graphql.schema.visibility.DefaultGraphqlFieldVisibility;
-import graphql.schema.visibility.NoIntrospectionGraphqlFieldVisibility;
 import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.Test;
 
@@ -170,8 +170,7 @@ class GraphQlAutoConfigurationTests {
 		this.contextRunner.withPropertyValues("spring.graphql.schema.introspection.enabled:false").run((context) -> {
 			GraphQlSource graphQlSource = context.getBean(GraphQlSource.class);
 			GraphQLSchema schema = graphQlSource.schema();
-			assertThat(schema.getCodeRegistry().getFieldVisibility())
-				.isInstanceOf(NoIntrospectionGraphqlFieldVisibility.class);
+			assertThat(Introspection.isEnabledJvmWide()).isFalse();
 		});
 	}
 

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -320,7 +320,7 @@ bom {
 			]
 		}
 	}
-	library("GraphQL Java", "20.2") {
+	library("GraphQL Java", "20.8") {
 		group("com.graphql-java") {
 			modules = [
 					"graphql-java"