Bumping up kube-burner to latest version (#626)

Co-authored-by: Vishnu Challa <[email protected]>

Author: vishnuchalla

workloads/kube-burner-ocp-wrapper/run.sh

@@ -4,7 +4,7 @@ set -e
 
 ES_SERVER=${ES_SERVER:-https://search-perfscale-dev-chmf5l4sh66lvxbnadi4bznl3a.us-west-2.es.amazonaws.com}
 LOG_LEVEL=${LOG_LEVEL:-info}
-KUBE_BURNER_VERSION=${KUBE_BURNER_VERSION:-1.7.6}
+KUBE_BURNER_VERSION=${KUBE_BURNER_VERSION:-1.7.8}
 CHURN=${CHURN:-true}
 WORKLOAD=${WORKLOAD:?}
 QPS=${QPS:-20}