Bump cffi from 1.17.1 to 2.0.0

Bumps [cffi](https://github.com/python-cffi/cffi) from 1.17.1 to 2.0.0.
- [Release notes](https://github.com/python-cffi/cffi/releases)
- [Commits](python-cffi/cffi@v1.17.1...v2.0.0)

---
updated-dependencies:
- dependency-name: cffi
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/requirements.txt

@@ -34,7 +34,7 @@ certifi==2025.8.3
     #   httpcore
     #   httpx
     #   requests
-cffi==1.17.1
+cffi==2.0.0
     # via cryptography
 charset-normalizer==3.4.3
     # via requests