bump mac runner to use macos 13 (#108)

Author: kylebarron

.github/workflows/python-wheels.yml

@@ -113,7 +113,7 @@ jobs:
     strategy:
       matrix:
         platform:
-          - runner: macos-12
+          - runner: macos-13
             target: x86_64
           - runner: macos-14
             target: aarch64