Bump cachetools from 4.2.2 to 5.1.0

Bumps [cachetools](https://github.com/tkem/cachetools) from 4.2.2 to 5.1.0.
- [Release notes](https://github.com/tkem/cachetools/releases)
- [Changelog](https://github.com/tkem/cachetools/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/tkem/cachetools/compare/v4.2.2...v5.1.0)

---
updated-dependencies:
- dependency-name: cachetools
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -9,7 +9,7 @@ aiohttp==3.8.1
 SQLAlchemy==1.4.36
 python-telegram-bot==13.11
 arrow==1.2.2
-cachetools==4.2.2
+cachetools==5.1.0
 requests==2.27.1
 urllib3==1.26.9
 jsonschema==4.5.1