ci: Bump macos runner version in wheel build (#160)

Author: kylebarron

.github/workflows/python-wheels.yml

@@ -175,9 +175,9 @@ jobs:
     strategy:
       matrix:
         platform:
-          - runner: macos-13
+          - runner: macos-15-intel
             target: x86_64
-          - runner: macos-14
+          - runner: macos-15
             target: aarch64
     steps:
       - uses: actions/checkout@v4