Added stack_env to the deploy stacks

Change-Id: I955cb400b7a3a5b498c3a441f1f1b644c3dbb0b3
diff --git a/jenkins/client/job/deploy/lab/deploy.yml b/jenkins/client/job/deploy/lab/deploy.yml
index 5d87340..75bab43 100644
--- a/jenkins/client/job/deploy/lab/deploy.yml
+++ b/jenkins/client/job/deploy/lab/deploy.yml
@@ -94,7 +94,7 @@
               # heat
               HEAT_STACK_ENVIRONMENT:
                 type: string
-                default: "devcloud"
+                default: "{{stack_env}}"
               HEAT_STACK_ZONE:
                 type: string
                 default: "mcp-mk"