Switch jenkins credentials to maintenance-ci-robot

PROD-37197

Change-Id: I91c9d962e17348b3762e667f5752923c3f49f734
diff --git a/jobs/templates/swarm-bootstrap-salt-cluster-heat-jjb.yaml b/jobs/templates/swarm-bootstrap-salt-cluster-heat-jjb.yaml
index 2dbc28b..c53a1f4 100755
--- a/jobs/templates/swarm-bootstrap-salt-cluster-heat-jjb.yaml
+++ b/jobs/templates/swarm-bootstrap-salt-cluster-heat-jjb.yaml
@@ -189,7 +189,7 @@
         trim: 'false'

     - string:

         name: CREATE_JENKINS_NODE_CREDENTIALS

-        default: 'create_jenkins_node_cz8133'

+        default: 'maintenance-team'

         description: |-

           Credentials with username and password with rights to create a Jenkins slave node

         trim: 'false'