update plotly.js to 2.31.1

CHANGELOG.md

@@ -5,7 +5,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## Unreleased
 
 ### Updated
-- Updated Plotly.js from version 2.30.0 to version 2.31.0. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2310----2024-04-10) for more information. These changes are reflected in the auto-generated `plotly.graph_objects` module. Notable changes include:
+- Updated Plotly.js from version 2.30.0 to version 2.31.1. See the [plotly.js CHANGELOG](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md#2311----2024-04-15) for more information. These changes are reflected in the auto-generated `plotly.graph_objects` module. Notable changes include:
   - Add `zorder` attribute to various cartesian traces for controlling stacking order of SVG traces drawn into a subplot [[#6918](https://github.com/plotly/plotly.js/pull/6918), [#6953](https://github.com/plotly/plotly.js/pull/6953)],
     This feature was anonymously sponsored: thank you to our sponsor!
   - Add "between" option to shape layer for placing them above grid lines and below traces [[#6927](https://github.com/plotly/plotly.js/pull/6927)],

packages/javascript/jupyterlab-plotly/package.json

@@ -65,7 +65,7 @@
     "@lumino/messaging": "^1.2.3",
     "@lumino/widgets": "^1.8.1",
     "lodash": "^4.17.4",
-    "plotly.js": "^2.31.0"
+    "plotly.js": "^2.31.1"
   },
   "jupyterlab": {
     "extension": "lib/jupyterlab-plugin",

packages/python/plotly/plotly/offline/_plotlyjs_version.py

@@ -1,3 +1,3 @@
 # DO NOT EDIT
 # This file is generated by the updatebundle setup.py command
-__plotlyjs_version__ = "2.31.0"
+__plotlyjs_version__ = "2.31.1"