build(dev-dependency): ⬆️ bump pytz from 2023.3.post1 to 2023.4

Bumps [pytz](https://github.com/stub42/pytz) from 2023.3.post1 to 2023.4.
- [Commits](stub42/pytz@release_2023.3.post1...release_2023.4)

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

Signed-off-by: dependabot[bot] <support@github.com>