refactor: Use functools.lru_cache instead of the stale `memoization…
#4346
| Job | Run time |
|---|---|
| 1m 6s | |
| 2m 13s | |
| 1m 3s | |
| 47s | |
| 1m 0s | |
| 2m 42s | |
| 2m 26s | |
| 2m 36s | |
| 1m 34s | |
| 2m 52s | |
| 3m 30s | |
| 2m 24s | |
| 2m 58s | |
| 36s | |
| 59s | |
| 48s | |
| 0s | |
| 29m 34s |