CI: install cffi and enable python bindings feature for maturin

Author: logannye

.github/workflows/ci.yml

@@ -58,10 +58,10 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: '3.11'
-      - name: Install maturin
-        run: pip install maturin
+      - name: Install maturin and cffi
+        run: pip install maturin cffi
       - name: Build python bindings
-        run: maturin build
+        run: maturin build --features python-bindings
 
   cli-e2e:
     runs-on: ubuntu-latest

pyproject.toml

@@ -12,3 +12,4 @@ license = {text = "MIT OR Apache-2.0"}
 
 [tool.maturin]
 module-name = "rosalind_py"
+features = ["python-bindings"]