[stubsabot] Bump cffi to 2.0.*

[github-actions[bot]]

Release: https://pypi.org/pypi/cffi/2.0.0 Repository: https://github.com/python-cffi/cffi/ Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/cffi Changelog: https://cffi.readthedocs.io/en/latest/whatsnew.html Diff: https://github.com/python-cffi/cffi/compare/v1.17.1...v2.0.0

Stubsabot analysis of the diff between the two releases:

• Total lines of Python code added: 356.
• Total lines of Python code deleted: 175.

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