Bump io.kubernetes:client-java in /modules/k3s

Bumps [io.kubernetes:client-java](https://github.com/kubernetes-client/java) from 21.0.1-legacy to 23.0.0-legacy.
- [Release notes](https://github.com/kubernetes-client/java/releases)
- [Changelog](https://github.com/kubernetes-client/java/blob/master/CHANGELOG.md)
- [Commits](https://github.com/kubernetes-client/java/commits/v23.0.0-legacy)

---
updated-dependencies:
- dependency-name: io.kubernetes:client-java
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

modules/k3s/build.gradle

@@ -9,6 +9,6 @@ dependencies {
     shaded 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.8.8'
 
     testImplementation 'io.fabric8:kubernetes-client:6.13.1'
-    testImplementation 'io.kubernetes:client-java:21.0.1-legacy'
+    testImplementation 'io.kubernetes:client-java:23.0.0-legacy'
     testImplementation 'org.assertj:assertj-core:3.26.3'
 }