inspect: add shell completion, improve flag-description for --type and improve validation
#6546
| Job | Run time |
|---|---|
| 3m 29s | |
| 3m 28s | |
| 3m 37s | |
| 3m 30s | |
| 3m 36s | |
| 3m 31s | |
| 3m 24s | |
| 3m 32s | |
| 3m 55s | |
| 4m 3s | |
| 4m 4s | |
| 3m 49s | |
| 4m 4s | |
| 3m 52s | |
| 4m 3s | |
| 4m 5s | |
| 1h 0m 2s |