[SPARK-28921][K8S][FOLLOWUP] Also bump K8S client version in integration-tests

### What changes were proposed in this pull request?

Per #25640 (comment) also bump K8S client version in integration-tests module.

### Why are the changes needed?

Harmonize the version as intended.

### Does this PR introduce any user-facing change?

No

### How was this patch tested?

Existing tests.

Closes #25664 from srowen/SPARK-28921.2.

Authored-by: Sean Owen <[email protected]>
Signed-off-by: Sean Owen <[email protected]>

Author: srowen

resource-managers/kubernetes/integration-tests/pom.xml

@@ -29,7 +29,7 @@
     <download-maven-plugin.version>1.3.0</download-maven-plugin.version>
     <exec-maven-plugin.version>1.4.0</exec-maven-plugin.version>
     <extraScalaTestArgs></extraScalaTestArgs>
-    <kubernetes-client.version>4.1.2</kubernetes-client.version>
+    <kubernetes-client.version>4.4.2</kubernetes-client.version>
     <scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
     <scalatest-maven-plugin.version>1.0</scalatest-maven-plugin.version>
     <sbt.project.name>kubernetes-integration-tests</sbt.project.name>