[CI][Core] fix lock for aws

Task: PRODX-49136

Change-Id: Ib650f22b6154f5aa46c755ad0d670fa2cac6f364
diff --git a/src/com/mirantis/mk/KaasUtils.groovy b/src/com/mirantis/mk/KaasUtils.groovy
index d285277..e6f513a 100644
--- a/src/com/mirantis/mk/KaasUtils.groovy
+++ b/src/com/mirantis/mk/KaasUtils.groovy
@@ -1035,6 +1035,7 @@
 
 def generateLockResources(callBackDemo, triggers) {
     def common = new com.mirantis.mk.Common()
+    def lockLabels = [:]
 
     def deployChild = triggers.deployChildEnabled