Fix package_cache_async missing from ResolvedContext dict round-trip
#410
| Job | Run time |
|---|---|
| 2m 46s | |
| 2m 2s | |
| 2m 1s | |
| 2m 10s | |
| 2m 45s | |
| 2m 21s | |
| 3m 11s | |
| 2m 11s | |
| 4m 8s | |
| 3m 55s | |
| 3m 57s | |
| 3m 53s | |
| 3m 27s | |
| 38m 47s |