Bump io.grpc:grpc-netty-shaded from 1.66.0 to 1.68.0 (#25)

Bumps [io.grpc:grpc-netty-shaded](https://github.com/grpc/grpc-java) from 1.66.0 to 1.68.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/commits)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-netty-shaded
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-netty-shaded</artifactId>
-      <version>1.66.0</version>
+      <version>1.68.0</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>