Add explanation to CI default env variable
#16255
| Job | Run time |
|---|---|
| 3m 0s | |
| 3m 15s | |
| 6m 15s |
CI default env variable
#16255
| Job | Run time |
|---|---|
| 3m 0s | |
| 3m 15s | |
| 6m 15s |