Update jupyterlab in CI

.github/workflows/build.yml

@@ -43,7 +43,7 @@ jobs:
           ${{ runner.os }}-yarn-
     - name: Install dependencies
       run: |
-        python -m pip install jupyterlab~=3.0
+        python -m pip install jupyterlab~=4.0
         python -m pip install jupyter_packaging~=0.7.9
     - name: Build the extension
       run: |