fix: Add user filed to get problem set grades API
#190
| Job | Run time |
|---|---|
| 1m 11s | |
| 2m 1s | |
| 1m 20s | |
| 2m 13s | |
| 1m 5s | |
| 2m 5s | |
| 1m 9s | |
| 2m 14s | |
| 1m 24s | |
| 2m 17s | |
| 1m 12s | |
| 2m 19s | |
| 1m 10s | |
| 1s | |
| 1m 5s | |
| 22m 46s |