Updated Plotly.js version to 1.38.3

Author: jonmmease

js/package-lock.json

@@ -31,7 +31,7 @@
     "ify-loader": "^1.1.0"
   },
   "dependencies": {
-    "plotly.js": "1.38.2",
+    "plotly.js": "1.38.3",
     "@jupyter-widgets/base": "^1.0.0",
     "lodash": "^4.17.4"
   },