DEP(deps): Update pytz requirement from ~=2025.2 to ~=2026.1

Updates the requirements on [pytz](https://github.com/stub42/pytz) to permit the latest version.
- [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
...

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

Author: dependabot[bot]

requeriments.txt

@@ -3,5 +3,5 @@ requests~=2.32.5
 six>=1.16,<2
 cachetools~=7.0.2
 pycryptodome~=3.23
-pytz~=2025.2
+pytz~=2026.1
 confuse~=2.2.0

setup.py

@@ -8,7 +8,7 @@
         "six>=1.16,<1.18",
         "cachetools>=5.0,<7.1",
         "pycryptodome>=3.13,<3.24",
-        "pytz>=2021.3,<2026.0",
+        "pytz>=2021.3,<2027.0",
         "confuse>=1.7,<2.3",
     ],
     packages=[