chore(deps)(deps): bump pytz from 2025.2 to 2026.1.post1

Bumps [pytz](https://github.com/stub42/pytz) from 2025.2 to 2026.1.post1.
- [Release notes](https://github.com/stub42/pytz/releases)
- [Commits](stub42/pytz@release_2025.2...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]

requirements.txt

@@ -36,7 +36,7 @@ loguru==0.7.3
 
 # Date & Time
 python-dateutil==2.8.2
-pytz==2025.2
+pytz==2026.1.post1
 
 # Language Detection
 langdetect==1.0.9