Use promotion label instead of jsl23 in promote-vcp-images
Related PROD: https://mirantis.jira.com/browse/PROD-23580

Change-Id: I9c837bd029522f48b2cf3a9ae909a95f61876e59
diff --git a/promote-vcp-images.groovy b/promote-vcp-images.groovy
index f960d75..14dddf1 100644
--- a/promote-vcp-images.groovy
+++ b/promote-vcp-images.groovy
@@ -14,7 +14,7 @@
 def jenkinsUtils = new com.mirantis.mk.JenkinsUtils()
 
 // Better to chose slave with ssd and fast network to webDav host
-slaveNode = env.SLAVE_NODE ?: 'jsl23.mcp.mirantis.net'
+slaveNode = env.SLAVE_NODE ?: 'promotion'
 def job_env = env.getEnvironment().findAll { k, v -> v }
 def verify = job_env.VERIFY_DOWNLOAD ?: true
 def overwrite = job_env.FORCE_OVERWRITE.toBoolean() ?: false