bump plotly.js to 1.57.0

Author: nicolaskruchten

CHANGELOG.md

@@ -2,6 +2,12 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.12.0] - unreleased
+
+### Updated
+
+- Updated Plotly.js to version 1.57.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/v1.57.0/CHANGELOG.md) for more information. These changes are reflected in the auto-generated `plotly.graph_objects` module.
+
 ## [4.11.0] - 2020-10-01
 
 ### Updated

packages/javascript/plotlywidget/package-lock.json

@@ -33,7 +33,7 @@
     "typescript": "~3.1.1"
   },
   "dependencies": {
-    "plotly.js": "^1.56.0",
+    "plotly.js": "^1.57.0",
     "@jupyter-widgets/base": "^2.0.0 || ^3.0.0",
     "lodash": "^4.17.4"
   },