update files that trigger jobs

Author: elfiesmelfie

.zuul.yaml

@@ -166,6 +166,7 @@
               - roles/common/*
               - roles/telemetry_verify_metrics/.*
               - .zuul.yaml
+              - ci/vars-metric-verification-test.yml
         - functional-periodic-telemetry-with-ceph:
             files:
               # Run this job for changes to the volume_pool_metrics test changes as this is