Pin nodejs 16 for node-canvas issues

Author: martinRenou

.github/workflows/main.yml

@@ -100,7 +100,7 @@ jobs:
           channels: conda-forge
 
       - name: Install dependencies
-        run: mamba install python=${{ matrix.python-version }} pip yarn jupyterlab ipywidgets jupyter-packaging
+        run: mamba install python=${{ matrix.python-version }} pip yarn jupyterlab ipywidgets jupyter-packaging nodejs=16
 
       - uses: actions/download-artifact@v2
         with:

dev-environment.yml

@@ -4,6 +4,7 @@ channels:
 dependencies:
     - pip
     - yarn
+    - nodejs=16
     - jupyter-packaging
     - jupyterlab=3
     - ipywidgets>=7.6