publish: fix(dacc): issue on event-duration event, group3 was not defined

generated from commit 6e67ca60

services/aggregatorUsageEvents/ecolyo.js

@@ -322,6 +322,9 @@ const calculPeriodBetweenFirstConnectionAndFirstChallenge = async (events, first
       // eslint-disable-next-line @typescript-eslint/camelcase
       group2: {
         end_event: 'first_challenge'
+      },
+      group3: {
+        params: ''
       }
     };
     const result = await sendIndicator(periodIndicator, client);