Update the devtools_extensions readme (#7261)
#745
| Job | Run time |
|---|---|
| 25s | |
| 1m 5s | |
| 5m 56s | |
| 3m 38s | |
| 2m 25s | |
| 13m 6s | |
| 15m 30s | |
| 10m 6s | |
| 10m 59s | |
| 23m 14s | |
| 4m 20s | |
| 11m 59s | |
| 3m 21s | |
| 21m 7s | |
| 2m 14s | |
| 19m 31s | |
| 3m 9s | |
| 2m 34s | |
| 7m 14s | |
| 2m 25s | |
| 7m 4s | |
| 2h 51m 22s |