fix(sharding): use without() grouping when merging avg_over_time shard results
#2341
| Job | Run time |
|---|---|
| 1m 47s | |
| 1m 27s | |
| 3m 14s |
avg_over_time shard results
#2341
| Job | Run time |
|---|---|
| 1m 47s | |
| 1m 27s | |
| 3m 14s |