Skip x86 builds for Python 3.14

Author: flozz

.github/workflows/python-packages.yml

@@ -67,6 +67,7 @@ jobs:
             cibw_archs: x86_64
           - os: ubuntu-24.04
             cibw_archs: i686
+            cibw_skip: cp314-* cp314t-*  # CFFI has no more i686 support for Python >= 3.14
           - os: ubuntu-24.04
             cibw_archs: aarch64