docs: add DEBUG=corepack logging instructions (#605)
#1177
| Job | Run time |
|---|---|
| 15s | |
| 3m 38s | |
| 3m 1s | |
| 11m 9s | |
| 2m 57s | |
| 2m 40s | |
| 15m 28s | |
| 2m 57s | |
| 2m 25s | |
| 10m 45s | |
| 2m 48s | |
| 2m 32s | |
| 1h 0m 35s |