Bump nacos.version from 2.4.1 to 2.4.2 in /hello-grpc-java

Bumps `nacos.version` from 2.4.1 to 2.4.2.

Updates `com.alibaba.nacos:nacos-client` from 2.4.1 to 2.4.2
- [Release notes](https://github.com/alibaba/nacos/releases)
- [Changelog](https://github.com/alibaba/nacos/blob/develop/CHANGELOG.md)
- [Commits](alibaba/nacos@2.4.1...2.4.2)

Updates `com.alibaba.nacos:nacos-common` from 2.4.1 to 2.4.2
- [Release notes](https://github.com/alibaba/nacos/releases)
- [Changelog](https://github.com/alibaba/nacos/blob/develop/CHANGELOG.md)
- [Commits](alibaba/nacos@2.4.1...2.4.2)

Updates `com.alibaba.nacos:nacos-api` from 2.4.1 to 2.4.2
- [Release notes](https://github.com/alibaba/nacos/releases)
- [Changelog](https://github.com/alibaba/nacos/blob/develop/CHANGELOG.md)
- [Commits](alibaba/nacos@2.4.1...2.4.2)

---
updated-dependencies:
- dependency-name: com.alibaba.nacos:nacos-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.alibaba.nacos:nacos-common
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.alibaba.nacos:nacos-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

hello-grpc-java/pom.xml

@@ -26,7 +26,7 @@
         <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin -->
         <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
         <log4j-slf4j-impl.version>2.23.1</log4j-slf4j-impl.version>
-        <nacos.version>2.4.1</nacos.version>
+        <nacos.version>2.4.2</nacos.version>
     </properties>
 
     <dependencies>