macos-13 no longer supported

Author: wasade

.github/workflows/python-package-conda.yml

@@ -81,7 +81,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest, ubuntu-24.04-arm, macos-13]
+        os: [ubuntu-latest, macos-latest, windows-latest, ubuntu-24.04-arm, macos-15-intel]
         python_version: ${{ fromJSON(needs.conf.outputs.supported_pythons) }}
         use_conda: [true, false]
     steps: