Bump com.graphql-java:graphql-java (#1269)

Bumps [com.graphql-java:graphql-java](https://github.com/graphql-java/graphql-java) from 20.2 to 21.0.
- [Release notes](https://github.com/graphql-java/graphql-java/releases)
- [Commits](graphql-java/graphql-java@v20.2...v21.0)

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

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

Author: dependabot[bot]

plugins/gradle/graphql-java-codegen-gradle-plugin/build.gradle

@@ -27,7 +27,7 @@ dependencies {
     implementation "io.github.kobylynskyi:graphql-java-codegen:${version}"
 
     implementation "org.freemarker:freemarker:2.3.32"
-    implementation "com.graphql-java:graphql-java:20.2"
+    implementation "com.graphql-java:graphql-java:21.0"
     implementation "com.fasterxml.jackson.core:jackson-databind:2.15.2"
     implementation "com.typesafe:config:1.4.2"