chore(deps): bump io.grpc:grpc-netty-shaded in /examples (#467)

Bumps [io.grpc:grpc-netty-shaded](https://github.com/grpc/grpc-java) from 1.72.0 to 1.75.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.72.0...v1.75.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-netty-shaded
  dependency-version: 1.75.0
  dependency-type: direct:production
...

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examples/pom.xml

@@ -59,7 +59,7 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-netty-shaded</artifactId>
-            <version>1.72.0</version>
+            <version>1.75.0</version>
         </dependency>
 
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