Update graphql-java version to 21.3 (#400)

* chore(deps): bump com.graphql-java:graphql-java from 20.2 to 21.3

Bumps [com.graphql-java:graphql-java](https://github.com/graphql-java/graphql-java) from 20.2 to 21.3.
- [Release notes](https://github.com/graphql-java/graphql-java/releases)
- [Commits](graphql-java/graphql-java@v20.2...v21.3)

---
updated-dependencies:
- dependency-name: com.graphql-java:graphql-java
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* update directivesSupport test to include 'oneOf' directive

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: igdianov

autoconfigure/src/test/java/com/introproventures/graphql/jpa/query/autoconfigure/GraphQLSchemaAutoConfigurationTest.java

@@ -341,7 +341,7 @@ public void enableGraphQLJpaQuerySchema() {
     public void directivesSupport() {
         assertThat(graphQLSchema.getDirectives())
             .extracting(GraphQLDirective::getName)
-            .containsOnly("include", "skip", "specifiedBy", "deprecated");
+            .containsOnly("include", "skip", "specifiedBy", "deprecated", "oneOf");
     }
 
     @Test

dependencies/pom.xml

@@ -15,7 +15,7 @@
 
   <properties>
     <spring-boot.version>3.1.6</spring-boot.version>
-    <graphql-java.version>20.2</graphql-java.version>
+    <graphql-java.version>21.3</graphql-java.version>
     <evo-inflector.version>1.3</evo-inflector.version>
     <joda-time.version>2.12.5</joda-time.version>
     <graphql-java-extended-scalars.version>21.0</graphql-java-extended-scalars.version>