Bump cffi from 1.17.1 to 2.0.0 in /requirements (#119)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/base.txt

@@ -1,5 +1,5 @@
 # What we want
-cffi==1.17.1
+cffi==2.0.0
 
 # What we need
 pycparser==2.23