Make rollback-test task verbose

infra/data-pipeline.yml

@@ -75,7 +75,7 @@ tasks:
         - "/bin/bash"
         - "-lcx"
         - "python -c 'from bugbug import bugzilla, db; db.download()' &&
-           python -m bugbug.bug_snapshot"
+           python -m bugbug.bug_snapshot --verbose"
     routes:
       - notify.email.release-mgmt-analysis@mozilla.com.on-failed"
       - notify.irc-channel.#bugbug.on-failed