Above that value, we hit date out of range issues.
We already have those exponents values too high in db (staging: 14, prod: ongoing) [1].
TODO:
- Update tests
- Add migration script to actually bound such values in staging/production
Related to T3502
[1]
```
18:19:22 swh-scheduler@db1:5432=> select max(next_position_offset) from origin_visit_stats where next_position_offset > 10;
+-----+
| max |
+-----+
| 14 |
+-----+
(1 row)
Time: 145.075 ms
```