Install libffi for Python wheel builds

Signed-off-by: James Sturtevant <jsturtevant@gmail.com>

Author: jsturtevant

.github/workflows/ci.yml

@@ -286,7 +286,7 @@ jobs:
         run: cargo install --locked just
 
       - name: Install clang
-        run: dnf install -y clang
+        run: dnf install -y clang libffi-devel
 
       - name: Build all Python packages
         run: |

.github/workflows/publish.yml

@@ -83,7 +83,7 @@ jobs:
         run: cargo install --locked just
 
       - name: Install clang
-        run: dnf install -y clang
+        run: dnf install -y clang libffi-devel
 
       - name: Build all Python packages
         run: |