Bump org.metricshub:oss-parent from 2 to 4

Bumps [org.metricshub:oss-parent](https://github.com/metricshub/oss-parent) from 2 to 4.
- [Release notes](https://github.com/metricshub/oss-parent/releases)
- [Commits](MetricsHub/oss-parent@v2...v4)

---
updated-dependencies:
- dependency-name: org.metricshub:oss-parent
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>org.metricshub</groupId>
 		<artifactId>oss-parent</artifactId>
-		<version>2</version>
+		<version>4</version>
 	</parent>
 
 	<artifactId>ssh-java</artifactId>