sleep 99d?

Jenkinsfile

@@ -8,7 +8,9 @@ podTemplate(yaml: '''
                   image: gcr.io/kaniko-project/executor:v1.9.1-debug
                   imagePullPolicy: Always
                   command:
-                  - '/usr/bin/sleep 999999'
+                  - sleep
+                  args:
+                  - 99d
                   volumeMounts:
                   - name: docker-config
                     mountPath: /kaniko/.docker/