[Watchdog] Wait 3 seconds before looping again

data/Dockerfiles/watchdog/watchdog.sh

@@ -479,6 +479,7 @@ acme_checks() {
     ACME_LC=0
     until [[ ! -z ${ACME_LOG_STATUS} ]] || [ ${ACME_LC} -ge 3 ]; do
       ACME_LOG_STATUS=$(redis-cli -h redis GET ACME_FAIL_TIME 2> /dev/null)
+      sleep 3
       ACME_LC=$((ACME_LC+1))
     done
     if [[ ${ACME_LOG_STATUS_PREV} != ${ACME_LOG_STATUS} ]]; then