Fix link to pyodide

Author: mhochsteger

.github/workflows/deploy.yml

@@ -23,7 +23,7 @@ jobs:
           python -m pip install -r requirements.txt
       - name: Build the JupyterLite site
         run: |
-          jupyter lite build --pyodide https://www.asc.tuwien.ac.at/~mhochsteger/ngsolve/pyodide-0.26.0a3/ngsolve_pyodide.tar.bz2 --contents content --output-dir dist
+          jupyter lite build --pyodide https://ngsolve.org/files/pyodide-0.26.0a3/ngsolve_pyodide.tar.bz2 --contents content --output-dir dist
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
         with: