[Backport staging-24.11] tzdata: 2024b -> 2025a

[nixpkgs-ci]

Bot-based backport to staging-24.11, triggered by a label in #374725.

• Before merging, ensure that this backport is acceptable for the release.
  • Even as a non-commiter, if you find that it is not acceptable, leave a comment.

[vcunat]

Maybe we'll need to do something about postgresql, but I'm leaving that for staging-next-24.11.

[wolfgangwalther]

Maybe we'll need to do something about postgresql, but I'm leaving that for staging-next-24.11.

#392464 should do it.

[wolfgangwalther]

Correction: postgresql should be fine, because the patch was reverted again already with the minor updates, which are already on 24.11.