fix(deps): update dependency plotly.js to v2

Author: renovate-bot

Diff for: package.json

@@ -43,7 +43,7 @@
     "ember-cli-htmlbars": "5.7.1",
     "ember-decorators": "6.1.1",
     "ember-lodash": "4.19.5",
-    "plotly.js": "1.58.4"
+    "plotly.js": "2.12.1"
   },
   "devDependencies": {
     "@babel/core": "^7",