switch to newer mac image (#129)

* switch to newer mac image

* switch to newer mac image

* use mac arm and intel images for native build

* use mac arm and intel images for native build

* can't make it work, revert

Author: cdiener

.github/workflows/build-wheels.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-13]
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-15-intel]
 
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}