Update dependency plotly-icons to v1.3.15

Author: renovate-bot

package.json

@@ -34,7 +34,7 @@
     "draft-js-utils": "1.4.0",
     "fast-isnumeric": "1.1.4",
     "immutability-helper": "3.1.1",
-    "plotly-icons": "1.3.14",
+    "plotly-icons": "1.3.15",
     "plotly.js": "1.58.x",
     "prop-types": "15.7.2",
     "raf": "3.4.1",