chore(deps): update limits requirement from >=3.0.0 to >=5.8.0

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@3.0.0...5.8.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -60,7 +60,7 @@ dependencies = [
     # Web Search (vendored from dev/requirements.txt)
     "trafilatura>=1.6.0", # Web content extraction
     "python-dateutil>=2.8.0", # Date parsing
-    "limits>=3.0.0", # Rate limiting
+    "limits>=5.8.0", # Rate limiting
     "filelock>=3.13.0", # Thread-safe file operations
     # Data Processing
     "pandas",