This is a breaking change that affects the accessors of ...::Stop and the
return type of $hafas->results in locationSearch and geoSearch mode

Because of course it is missing, because the date string is treated as a
number by the magical API of the data lake, because why wouldn't it be.

Previously, this module generated timestamps that were 24h in the future
whenever requesting a journey that crosses midnight after midnight.

This reverts commit 38071ce2.

Broken by 4871bc50