redis-benchmarks-spec-sc-coordinator runners consumer group not being aknowledged

```
benchmarks.redislabs.com:12010> xinfo groups oss:api:gh/redis/redis/builds
1) 1) "name"
   2) "runners-cg:redis/redis/commits-bicx02"
   3) "consumers"
   4) (integer) 1
   5) "pending"
   6) (integer) 75
   7) "last-delivered-id"
   8) "1629761352016-0"
```