Bump tzdata from 2025.2 to 2025.3 (#188)

Bumps [tzdata](https://github.com/python/tzdata) from 2025.2 to 2025.3.
- [Release notes](https://github.com/python/tzdata/releases)
- [Changelog](https://github.com/python/tzdata/blob/master/NEWS.md)
- [Commits](python/tzdata@2025.2...2025.3)

---
updated-dependencies:
- dependency-name: tzdata
  dependency-version: '2025.3'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-tzdata==2025.2
+tzdata==2025.3
 fastapi==0.128.0
 pydantic==2.12.5
 uvicorn==0.40.0