build(deps): bump io.netty:netty-handler in /java

Bumps [io.netty:netty-handler](https://github.com/netty/netty) from 4.1.93.Final to 4.1.94.Final.
- [Commits](netty/netty@netty-4.1.93.Final...netty-4.1.94.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-handler
  dependency-type: direct:production
...

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

java/pom.xml

@@ -69,7 +69,7 @@
     <grpc.version>1.57.1</grpc.version>
     <!-- NOTE Netty handler and boring SSL must be kept compatible with grpc
       https://github.com/grpc/grpc-java/blob/master/SECURITY.md#netty -->
-    <netty.handler.version>4.1.93.Final</netty.handler.version>
+    <netty.handler.version>4.1.94.Final</netty.handler.version>
     <tcnative.boring.ssl.version>2.0.61.Final</tcnative.boring.ssl.version>
 
     <protobuf.java.version>3.24.3</protobuf.java.version>