DEP(deps): Update cachetools requirement from ~=5.5.2 to ~=6.1.0

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@v5.5.2...v6.1.0)

---
updated-dependencies:
- dependency-name: cachetools
  dependency-version: 6.1.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -6,7 +6,7 @@ requests~=2.32.4
 
 boto3~=1.38.38
 
-cachetools~=5.5.2
+cachetools~=6.1.0
 setuptools~=77.0.3
 pytz~=2025.1
 confuse~=2.0.1

requirements.txt

@@ -3,7 +3,7 @@ requests~=2.32.4
 
 boto3~=1.38.38
 
-cachetools~=5.5.2
+cachetools~=6.1.0
 setuptools~=77.0.3
 pytz~=2025.1
 confuse~=2.0.1