Bump @jupyter-widgets/base to 6.0.1

Author: abdelq

packages/javascript/jupyterlab-plotly/package-lock.json

@@ -60,7 +60,7 @@
     "webpack-cli": "^4.0.0"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^2.0.0 || ^3.0.0 || ^4.0.0",
+    "@jupyter-widgets/base": ">=2.0.0 <7.0.0",
     "@jupyterlab/rendermime-interfaces": "^1.3.0 || ^2.0.0 || ^3.0.0",
     "@lumino/messaging": "^1.2.3",
     "@lumino/widgets": "^1.8.1",