update macOS matrix to include macOS 15 for wheel builds

Author: HugoMVale

.github/workflows/build-wheels.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-13, macos-14]
+        os: [ubuntu-latest, windows-latest, macos-14, macos-15-intel]
 
     steps:
       - name: Checkout code