ci: bump cross-platform-actions/action, used by the BSDs

.github/workflows/cpactions.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Build
-      uses: cross-platform-actions/[email protected]4.0
+      uses: cross-platform-actions/[email protected]5.0
       with:
         operating_system: ${{ matrix.platform.os }}
         architecture: ${{ matrix.platform.os-arch }}