docs: update _index.md, If the service_name label exists, it's not …
#3601
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |
service_name label exists, it's not …
#3601
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |