dev: transition retired macos-13 images to macos-15-intel (#1702)

* transition retired macos-13 images to macos-15-intel

* Touch test crate

---------

Co-authored-by: Alejandro R. Mosteo <amosteo@unizar.es>

.github/workflows/build-native-master.yml

@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13          # amd64
+          - macos-15-intel    # amd64
           - macos-latest      # arm64
           - ubuntu-latest
           - ubuntu-24.04-arm

.github/workflows/build-native.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13          # amd64
+          - macos-15-intel    # amd64
           - macos-latest      # arm64
           - ubuntu-latest
           - ubuntu-24.04-arm

.github/workflows/build-ports.yml

@@ -29,10 +29,8 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13     # amd64
-          - macos-14     # arm64
-          # macos-latest breaks the action that sets up MacPorts. See
-          # https://github.com/melusina-org/setup-macports/issues/2
+          - macos-15-intel  # amd64
+          - macos-latest    # arm64
 
     steps:
     - name: Check out alire-index