chore(deps-dev): bump cffi from 2.0.0 to 2.1.0

Bumps [cffi](https://github.com/python-cffi/cffi) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/python-cffi/cffi/releases)
- [Commits](python-cffi/cffi@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: cffi
  dependency-version: 2.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -9,7 +9,7 @@ azure-identity==1.25.3
 build==1.5.0
 bumpver==2025.1131
 certifi==2026.5.20
-cffi==2.0.0
+cffi==2.1.0
 charset-normalizer==3.4.7
 click==8.4.1
 colorama==0.4.6