Bump tzdata from 2025.3 to 2026.1 (#1642)

Bumps [tzdata](https://github.com/python/tzdata) from 2025.3 to 2026.1.
- [Release notes](https://github.com/python/tzdata/releases)
- [Changelog](https://github.com/python/tzdata/blob/master/NEWS.md)
- [Commits](python/tzdata@2025.3...2026.1)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -67,6 +67,6 @@ torch==2.11.0 ; python_version >= "3.11" and python_version < "3.15"
 tqdm==4.67.3 ; python_version >= "3.11" and python_version < "3.15"
 triton==3.5.1 ; python_version >= "3.11" and python_version < "3.15" and platform_system == "Linux" and platform_machine == "x86_64"
 typing-extensions==4.15.0 ; python_version >= "3.11" and python_version < "3.15"
-tzdata==2025.3 ; python_version >= "3.11" and python_version < "3.15"
+tzdata==2026.1 ; python_version >= "3.11" and python_version < "3.15"
 urllib3==2.6.3 ; python_version >= "3.11" and python_version < "3.15"
 xarray==2026.2.0 ; python_version >= "3.11" and python_version < "3.15"

requirements.txt

@@ -29,6 +29,6 @@ scipy==1.17.0 ; python_version >= "3.11" and python_version < "3.15"
 shapely==2.1.2 ; python_version >= "3.11" and python_version < "3.15"
 six==1.17.0 ; python_version >= "3.11" and python_version < "3.15"
 tqdm==4.67.3 ; python_version >= "3.11" and python_version < "3.15"
-tzdata==2025.3 ; python_version >= "3.11" and python_version < "3.15"
+tzdata==2026.1 ; python_version >= "3.11" and python_version < "3.15"
 urllib3==2.6.3 ; python_version >= "3.11" and python_version < "3.15"
 xarray==2026.2.0 ; python_version >= "3.11" and python_version < "3.15"