Pin jupyterlab for now

Author: jtpio

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
       - name: Install dependencies
-        run: python -m pip install -U "jupyterlab>=4.0.0,<5"
+        run: python -m pip install -U "jupyterlab>=4.0,<4.1"
 
       - name: Lint the extension
         run: |
@@ -74,7 +74,7 @@ jobs:
           sudo rm -rf $(which node)
           sudo rm -rf $(which node)
 
-          pip install "jupyterlab>=4.0.0,<5" p5_notebook*.whl
+          pip install "jupyterlab>=4.0,<4.1" p5_notebook*.whl
 
 
           jupyter labextension list