Bump tzdata from 2023.3 to 2023.4

Bumps [tzdata](https://github.com/python/tzdata) from 2023.3 to 2023.4.
- [Release notes](https://github.com/python/tzdata/releases)
- [Changelog](https://github.com/python/tzdata/blob/master/NEWS.md)
- [Commits](python/tzdata@2023.3...2023.4)

---
updated-dependencies:
- dependency-name: tzdata
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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