fix: bump workflow runners and actions (#1245)

Due to https://github.com/actions/runner-images/issues/10721

.github/workflows/build-ports.yml

@@ -29,7 +29,8 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-12
+          - macos-13     # amd64
+          - macos-latest # arm64
 
     steps:
     - name: Check out alire-index
@@ -49,7 +50,7 @@ jobs:
         path: ${{env.CHECKS_REPO}}
 
     - name: Set up stable `alr`
-      uses: alire-project/setup-alire@v3
+      uses: alire-project/setup-alire@v4
       with:
         version: ${{env.ALR_VERSION}}