Bump pytz from 2022.7 to 2026.1.post1

Bumps [pytz](https://github.com/stub42/pytz) from 2022.7 to 2026.1.post1.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2022.7...release_2026.1.post1)

---
updated-dependencies:
- dependency-name: pytz
  dependency-version: 2026.1.post1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -28,7 +28,7 @@ pytest==9.0.2
 pytest-html==4.2.0
 pytest-metadata==3.1.1
 py>=1.11.0
-pytz==2022.7
+pytz==2026.1.post1
 pyyaml==6.0.3
 requests==2.32.5
 six==1.17.0