chore(deps-dev): bump tzdata from 2025.2 to 2026.1

Bumps [tzdata](https://github.com/python/tzdata) from 2025.2 to 2026.1.
- [Release notes](https://github.com/python/tzdata/releases)
- [Changelog](https://github.com/python/tzdata/blob/master/NEWS.md)
- [Commits](python/tzdata@2025.2...2026.1)

---
updated-dependencies:
- dependency-name: tzdata
  dependency-version: '2026.1'
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -68,7 +68,7 @@ tomli==2.3.0
 tomli_w==1.2.0
 tomlkit==0.13.3
 typing_extensions==4.15.0
-tzdata==2025.2
+tzdata==2026.1
 uritemplate==4.2.0
 urllib3==2.6.3
 wrapt==1.17.3