Enable packet stats for listen command in Docker

Update the docker listen.sh to enable tracking packet stats.

docker/bin/listen.sh

@@ -39,4 +39,4 @@ fi
 
 export COLUMNS=200
 python3 -m rich.diagnose
-exec aprsd listen -c $APRSD_CONFIG --loglevel ${LOG_LEVEL} ${APRSD_LOAD_PLUGINS} ${APRSD_LISTEN_FILTER}
+exec aprsd listen -c $APRSD_CONFIG --loglevel ${LOG_LEVEL} --enable-packet-stats ${APRSD_LOAD_PLUGINS} ${APRSD_LISTEN_FILTER}