ci: add mac-14

Author: lachlangrose

.github/workflows/pypi.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest,macos-latest]
+        os: [ubuntu-latest, macos-latest, macos-14]
     env:
       MACOSX_DEPLOYMENT_TARGET: "10.13"  
     steps: