chore(deps-dev): bump io.dropwizard.metrics:metrics-core in /java-mvn

Bumps [io.dropwizard.metrics:metrics-core](https://github.com/dropwizard/metrics) from 4.2.29 to 4.2.30.
- [Release notes](https://github.com/dropwizard/metrics/releases)
- [Commits](https://github.com/dropwizard/metrics/compare/v4.2.29...v4.2.30)

---
updated-dependencies:
- dependency-name: io.dropwizard.metrics:metrics-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

java-mvn/pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>io.dropwizard.metrics</groupId>
             <artifactId>metrics-core</artifactId>
-            <version>4.2.29</version>
+            <version>4.2.30</version>
             <scope>test</scope>
         </dependency>