Update cffi requirement from <2.0.0 to <3.0.0

Updates the requirements on [cffi](https://github.com/python-cffi/cffi) to permit the latest version.
- [Release notes](https://github.com/python-cffi/cffi/releases)
- [Commits](python-cffi/cffi@v1.11.1...v2.0.0)

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

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

Author: dependabot[bot]

requirements/pytest.txt

@@ -1,4 +1,4 @@
-cffi<2.0.0;python_version<"3.14"
+cffi<3.0.0;python_version<"3.14"
 objgraph==3.6.2
 pytest==8.4.2
 pytest-codspeed==4.2.0