refactor: Use functools.lru_cache instead of the stale `memoization…
#4334
| Job | Run time |
|---|---|
| 2m 36s | |
| 1m 18s | |
| 1m 16s | |
| 1m 12s | |
| 1m 30s | |
| 2m 48s | |
| 2m 17s | |
| 1m 40s | |
| 1m 43s | |
| 3m 8s | |
| 3m 1s | |
| 3m 22s | |
| 2m 57s | |
| 46s | |
| 1m 4s | |
| 1m 7s | |
| 35s | |
| 32m 20s |