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

Bumps [io.fabric8:kubernetes-client-api](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-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -55,7 +55,7 @@ java {
 ext {
     deps = [
         gocdPluginApi: 'cd.go.plugin:go-plugin-api:24.3.0',
-        kubernetesClientApi: 'io.fabric8:kubernetes-client-api:6.13.3',
+        kubernetesClientApi: 'io.fabric8:kubernetes-client-api:6.13.4',
     ]
 
     versions = project.ext.deps.collectEntries { lib, libGav -> [lib, libGav.split(':').last()] }