docs: update cffi (#183)

Add version 2.1.0

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

docs/packages/cffi.yaml

@@ -7,3 +7,5 @@ versions:
   - version: 1.17.1
   - version: 2.0.0
     patched:
+  - version: 2.1.0
+    license: MIT-0