Fix and update ipywidgets in jupyterlite config

Author: jasongrout

docs/environment.yml

@@ -18,4 +18,5 @@ dependencies:
 
   - pip:
     - ..
-    - jupyterlite-sphinx
+    - jupyterlite-sphinx
+    - jupyterlite>=0.1.0b9

docs/source/jupyterlite_config.json

@@ -1,25 +1,25 @@
 {
     "LiteBuildConfig": {
       "federated_extensions": [
-        "https://github.com/conda-forge/releases/releases/download/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2",
-        "https://github.com/conda-forge/releases/releases/download/noarch/ipyleaflet-0.16.0-pyhd8ed1ab_3.tar.bz2/ipyleaflet-0.16.0-pyhd8ed1ab_3.tar.bz2"
+        "https://files.pythonhosted.org/packages/py3/j/jupyterlab-widgets/jupyterlab_widgets-1.1.1-py3-none-any.whl",
+        "https://files.pythonhosted.org/packages/py2.py3/i/ipyleaflet/ipyleaflet-0.16.0-py2.py3-none-any.whl"
       ],
       "ignore_sys_prefix": true,
       "piplite_urls": [
         "https://files.pythonhosted.org/packages/py2.py3/i/ipyleaflet/ipyleaflet-0.16.0-py2.py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py2.py3/i/ipython-genutils/ipython_genutils-0.2.0-py2.py3-none-any.whl",
-        "https://files.pythonhosted.org/packages/py2.py3/i/ipywidgets/ipywidgets-7.6.5-py2.py3-none-any.whl",
+        "https://files.pythonhosted.org/packages/py2.py3/i/ipywidgets/ipywidgets-7.7.1-py2.py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py2.py3/r/requests/requests-2.27.1-py2.py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py2.py3/t/traittypes/traittypes-0.2.1-py2.py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py2.py3/u/urllib3/urllib3-1.26.8-py2.py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/b/branca/branca-0.4.2-py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/i/ipython/ipython-8.0.1-py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/j/jupyter-client/jupyter_client-7.1.2-py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/j/jupyter-core/jupyter_core-4.9.2-py3-none-any.whl",
-        "https://files.pythonhosted.org/packages/py3/j/jupyterlab-widgets/jupyterlab_widgets-1.0.2-py3-none-any.whl",
+        "https://files.pythonhosted.org/packages/py3/j/jupyterlab-widgets/jupyterlab_widgets-1.1.1-py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/n/nest-asyncio/nest_asyncio-1.5.4-py3-none-any.whl",
         "https://files.pythonhosted.org/packages/py3/n/notebook/notebook-6.4.8-py3-none-any.whl",
-        "https://files.pythonhosted.org/packages/py3/t/traitlets/traitlets-5.1.1-py3-none-any.whl"
+        "https://files.pythonhosted.org/packages/py3/t/traitlets/traitlets-5.3.0-py3-none-any.whl"
       ]
     }
 }