chore(deps): update limits requirement from >=2.3 to >=5.8.0 (#77)

Updates the requirements on [limits](https://github.com/alisaifee/limits) to permit the latest version.
- [Release notes](https://github.com/alisaifee/limits/releases)
- [Changelog](https://github.com/alisaifee/limits/blob/master/HISTORY.rst)
- [Commits](alisaifee/limits@2.3.0...5.8.0)

---
updated-dependencies:
- dependency-name: limits
  dependency-version: 5.8.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

requirements.txt

@@ -4,5 +4,5 @@ httpx>=0.28.1,<1
 pydantic>=2.13.4,<3
 pydantic-settings>=2.14.0,<3
 slowapi>=0.1.9,<1
-limits[redis]>=2.3
+limits[redis]>=5.8.0
 python-dotenv>=1.2.2,<2