ES-2466: Add Claim to JenkinsfileCombinedWorkerPluginsSmokeTests (#6222)

* Initial change. Copying what is done in endToEndPipeline in shared lib

* Adding something to make test fail so I can see if the claiming works

* That didn't seem to stop it from passing

* Replay didn't pick up changes

* debug

* debug

.ci/JenkinsfileCombinedWorkerPluginsSmokeTests

@@ -127,6 +127,7 @@ pipeline {
     }
     post {
         always {
+            step([$class: 'ClaimPublisher'])
             script {      
                     findBuildScans()
                     pipelineUtils.getPodLogs("postgres")