Return Invalid DateTime for using meridiem with 24-hour (#1549)

[Matthematic]

This is a fix for the case where the input '11-08-2023 15:00 AM' is parsed and interpreted as '11-08-2023 03:00 PM'. Instead of this, it should be a Datetime.Invalid with a "unit out of range" reason similar to what happens with '11-08-2023 25:00'.

fixes #1549

[linux-foundation-easycla[bot]]

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• :white_check_mark: login: Matthematic / name: Matthematic (7152ca4812d3d223f1cd87ab3db3e74141b91eff)

[icambron]

Sorry for the long delay in reviewing this.

While I agree this is a bug, it's a minor one, and the fix is unfortunate, because it's extra work on the hot path. I think if you can use the benchmarks not mearningfully shower that token parsing is no slower now, we can merge this.