lite: pin jupyterlab-widgets ==1.1.0

Author: datakurre

lite/jupyterlite-robotkernel/setup.cfg

@@ -42,7 +42,7 @@ zip_safe = False
 
 install_requires =
     pkginfo
-    jupyterlab-widgets
+    jupyterlab-widgets ==1.1.0
     jupyterlab-robotmode
     jupyterlite[contents] ==0.1.0b7