Hacky script to get a quick dump of the merge queue runs over the past most recent 1000 PRs every day

Sample output:

```
— Evaluation Window (EST) —
Earliest start time: 2026-02-03 22:13:34-05:00
Latest end time: 2026-02-11 17:54:39-05:00

— Overall Time Difference Percentiles (Weekdays Only) —
All weekdays (n=496):
P25: 14m 17s
P50 (median): 23m 59s
P75: 1h 29m 40s
P90: 3h 3m 2s

— Time Difference Percentiles by Day (EST, Weekdays Only) —
2026-02-03 (Tuesday) (n=1):
P25: 12m 3s
P50 (median): 12m 3s
P75: 12m 3s
P90: 12m 3s
2026-02-04 (Wednesday) (n=46):
P25: 4h 43m 41s
P50 (median): 6h 15m 53s
P75: 6h 46m 25s
P90: 7h 17m 44s
2026-02-05 (Thursday) (n=86):
P25: 1h 31m 28s
P50 (median): 2h 3m 37s
P75: 2h 43m 33s
P90: 3h 4m 36s
2026-02-06 (Friday) (n=60):
P25: 17m 17s
P50 (median): 32m 55s
P75: 57m 3s
P90: 2h 10m 19s
2026-02-09 (Monday) (n=103):
P25: 12m 7s
P50 (median): 22m 57s
P75: 43m 41s
P90: 1h 12m 35s
2026-02-10 (Tuesday) (n=100):
P25: 12m 4s
P50 (median): 17m 19s
P75: 24m 18s
P90: 33m 35s
2026-02-11 (Wednesday) (n=100):
P25: 12m 11s
P50 (median): 16m 2s
P75: 20m 6s
P90: 24m 29s
```