update macos intel runners

Author: mikedh

.github/workflows/push.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [ubuntu-latest, macos-latest, windows-latest, macos-13]
+        platform: [ubuntu-latest, macos-latest, windows-latest, macos-15-intel]
     steps:
       - uses: actions/checkout@v4
       - name: Build wheels

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{matrix.platform}}
     strategy:
       matrix:
-        platform: [ubuntu-latest, macos-latest, windows-latest, macos-13]
+        platform: [ubuntu-latest, macos-latest, windows-latest, macos-15-intel]
     steps:
       - uses: actions/checkout@v4
       - name: Build wheels