switch to macos-14 runner for Python wheel building

macos-13 is no longer available as a GitHub standard runner.

Author: johnbartholomew

.github/workflows/publish-python.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, windows-latest, macos-13, macos-latest]
+        os: [ubuntu-22.04, windows-latest, macos-14, macos-latest]
 
     permissions:
       contents: read