chore(deps): update cachetools requirement from >=5.3.0 to >=7.1.4

Updates the requirements on [cachetools](https://github.com/tkem/cachetools) to permit the latest version.
- [Changelog](https://github.com/tkem/cachetools/blob/master/CHANGELOG.rst)
- [Commits](tkem/cachetools@v5.3.0...v7.1.4)

---
updated-dependencies:
- dependency-name: cachetools
  dependency-version: 7.1.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ tenacity>=9.1.4
 # google-generativeai>=0.3.0
 
 # Performance and caching
-cachetools>=5.3.0
+cachetools>=7.1.4
 asyncio-throttle>=1.0.2
 
 # Development dependencies (install with pip install -e ".[dev]")