Upload artifact from Ubuntu only

Author: yguclu

.github/workflows/deploy-book.yml

@@ -78,9 +78,12 @@ jobs:
       run: make docs
 
     - name: Setup Pages
+      if: matrix.os == 'ubuntu-24.04'
       uses: actions/configure-pages@v5
 
     - name: Upload artifact
+      if: matrix.os == 'ubuntu-24.04'
+      id: deployment
       uses: actions/upload-pages-artifact@v3
       with:
         path: '_build/html'