Bump io.netty:netty-bom in /lang/java

Bumps [io.netty:netty-bom](https://github.com/netty/netty) from 4.1.113.Final to 4.1.115.Final.
- [Commits](netty/netty@netty-4.1.113.Final...netty-4.1.115.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

lang/java/pom.xml

@@ -51,7 +51,7 @@
     <junit5.version>5.11.0</junit5.version>
     <maven-core.version>3.9.6</maven-core.version>
     <mockito.version>5.13.0</mockito.version>
-    <netty.version>4.1.113.Final</netty.version>
+    <netty.version>4.1.115.Final</netty.version>
     <protobuf.version>4.28.0</protobuf.version>
     <reload4j.version>1.2.25</reload4j.version>
     <servlet-api.version>4.0.1</servlet-api.version>