feat: respect rust-version when generating lockfile
#1229
| Job | Run time |
|---|---|
| 1m 35s | |
| 4m 3s | |
| 16m 10s | |
| 3m 23s | |
| 7s | |
| 5m 19s | |
| 12s | |
| 21s | |
| 22m 42s | |
| 15m 44s | |
| 22m 3s | |
| 24m 7s | |
| 21m 39s | |
| 2m 49s | |
| 20m 6s | |
| 33m 6s | |
| 46m 43s | |
| 0s | |
| 0s | |
| 4h 0m 9s |