Bump io.fabric8:kubernetes-client-bom from 6.13.3 to 6.13.4

Bumps [io.fabric8:kubernetes-client-bom](https://github.com/fabric8io/kubernetes-client) from 6.13.3 to 6.13.4.
- [Release notes](https://github.com/fabric8io/kubernetes-client/releases)
- [Changelog](https://github.com/fabric8io/kubernetes-client/blob/main/CHANGELOG.md)
- [Commits](fabric8io/kubernetes-client@v6.13.3...v6.13.4)

---
updated-dependencies:
- dependency-name: io.fabric8:kubernetes-client-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -66,7 +66,7 @@
 
         <!-- Test dependencies -->
         <strimzi.version>0.43.0</strimzi.version>  <!-- when bumping strimzi, be sure to comment out the kafka.version override in the systemtest module's pom -->
-        <kubernetes-client.version>6.13.3</kubernetes-client.version>
+        <kubernetes-client.version>6.13.4</kubernetes-client.version>
         <enforcer.api.version>3.5.0</enforcer.api.version>
         <maven.core.version>3.9.9</maven.core.version>
         <awaitility.version>4.2.2</awaitility.version>