chore(deps)(deps): bump pyjwt from 2.12.0 to 2.12.1 in /backend

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 2.12.0 to 2.12.1.
- [Release notes](https://github.com/jpadilla/pyjwt/releases)
- [Changelog](https://github.com/jpadilla/pyjwt/blob/master/CHANGELOG.rst)
- [Commits](jpadilla/pyjwt@2.12.0...2.12.1)

---
updated-dependencies:
- dependency-name: pyjwt
  dependency-version: 2.12.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

backend/pyproject.toml

@@ -24,7 +24,7 @@ dependencies = [
     "passlib>=1.7.4",
     "punq>=0.7.0",
     "pydantic>=2.11.9",
-    "pyjwt>=2.10.1",
+    "pyjwt>=2.12.1",
     "pymongo>=4.15.1",
     "pytest>=9.0.3",
     "pytest-asyncio>=1.2.0",