Bump cffi from 1.16.0 to 1.17.0 in /requirements

Bumps [cffi](https://github.com/python-cffi/cffi) from 1.16.0 to 1.17.0.
- [Release notes](https://github.com/python-cffi/cffi/releases)
- [Commits](python-cffi/cffi@v1.16.0...v1.17.0)

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

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

Author: dependabot[bot]

requirements/base.txt

@@ -1,5 +1,5 @@
 # What we want
-cffi==1.16.0
+cffi==1.17.0
 
 # What we need
 pycparser==2.22