Actually fix build

Author: modmuss50

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-22.04
     if: ${{ github.ref == 'refs/heads/main' && github.event_name != 'pull_request' }}
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: site
           path: _site