Bump io.github.graphql-java:graphql-java-annotations from 8.0 to 21.5

Bumps [io.github.graphql-java:graphql-java-annotations](https://github.com/graphql-java/graphql-java-annotations) from 8.0 to 21.5.
- [Release notes](https://github.com/graphql-java/graphql-java-annotations/releases)
- [Changelog](https://github.com/Enigmatis/graphql-java-annotations/blob/master/RELEASE.md)
- [Commits](https://github.com/graphql-java/graphql-java-annotations/compare/v8.0...v21.5)

---
updated-dependencies:
- dependency-name: io.github.graphql-java:graphql-java-annotations
  dependency-version: '21.5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pom.xml

diff --git a/pom.xml b/pom.xml
index 34e6454..7545f1d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,7 +124,7 @@
         <commons-net.version>3.10.0</commons-net.version>
         <reactivex.version>2.2.19</reactivex.version>
         <graphql.java.version>14.0</graphql.java.version>
-        <graphql.java.annotations.version>8.0</graphql.java.annotations.version>
+        <graphql.java.annotations.version>21.5</graphql.java.annotations.version>
         <graphql.java.extended.scalars.version>1.0</graphql.java.extended.scalars.version>
         <jetty.version>9.4.58.v20250814</jetty.version>
         <checker-compat-qual.version>2.0.0</checker-compat-qual.version>