python311Packages.jupyterlab-lsp: mark as broken for Jupyterlab > 4

pkgs/development/python-modules/jupyterlab-lsp/default.nix

···
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ ];
+    # No support for Jupyterlab > 4
+    # https://github.com/jupyter-lsp/jupyterlab-lsp/pull/949
+    broken = lib.versionAtLeast jupyterlab.version "4.0";
   };
 }