Remove cd from integration_tests

Author: martenrichter

.github/workflows/build.yml

@@ -117,7 +117,6 @@ jobs:
         # Remove NodeJS, twice to take care of system and locally installed node versions.
         sudo rm -rf $(which node)
         sudo rm -rf $(which node)
-        cd packages/${{ matrix.shortname }}/
 
         pip install "jupyterlab>=4.0.0,<5" ${{ matrix.python }}*.whl