chore(deps): bump apscheduler from 3.10.3 to 3.11.3 in /backend

Bumps [apscheduler](https://github.com/agronholm/apscheduler) from 3.10.3 to 3.11.3.
- [Release notes](https://github.com/agronholm/apscheduler/releases)
- [Commits](https://github.com/agronholm/apscheduler/compare/3.10.3...3.11.3)

---
updated-dependencies:
- dependency-name: apscheduler
  dependency-version: 3.11.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

backend/pyproject.toml

@@ -10,7 +10,7 @@ name = "backend"
 version = "0.9.83"
 requires-python = ">=3.10"
 dependencies = [
-    "apscheduler==3.10.3",
+    "apscheduler==3.11.3",
     "beautifulsoup4>=4.9.0",
     "cachetools==5.5.2",
     "cryptography>=46.0.7",