DEP(deps): Update pytz requirement from ~=2026.1 to ~=2026.2 (#267)

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_2026.1.post1...release_2026.2)

---
updated-dependencies:
- dependency-name: pytz
  dependency-version: '2026.2'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -12,7 +12,7 @@ requests>=2.27.1,<2.34.0
 six>=1.17.0,<1.18
 cachetools>=7.0.6,<7.1
 pycryptodome>=3.23.0,<3.24
-pytz>=2026.1.post1,<2027.0
+pytz>=2026.2,<2027.0
 confuse>=2.2.0,<2.3
 python-dotenv
 pyyaml

requeriments.txt

@@ -3,5 +3,5 @@ requests~=2.33.1
 six>=1.16,<2
 cachetools~=7.0.6
 pycryptodome~=3.23
-pytz~=2026.1
+pytz~=2026.2
 confuse~=2.2.0