Update schema

Author: alexshoe

test/plot-schema.json

@@ -3581,6 +3581,26 @@
             "valType": "string"
           }
         },
+        "titleclick": {
+          "description": "Determines the behavior on legend title click. *toggle* toggles the visibility of all items in the legend. *toggleothers* toggles the visibility of all other legends. *false* disables legend title click interactions. Defaults to *toggle* when there are multiple legends, *false* otherwise.",
+          "editType": "legend",
+          "valType": "enumerated",
+          "values": [
+            "toggle",
+            "toggleothers",
+            false
+          ]
+        },
+        "titledoubleclick": {
+          "description": "Determines the behavior on legend title double-click. *toggle* toggles the visibility of all items in the legend. *toggleothers* toggles the visibility of all other legends. *false* disables legend title double-click interactions. Defaults to *toggleothers* when there are multiple legends, *false* otherwise.",
+          "editType": "legend",
+          "valType": "enumerated",
+          "values": [
+            "toggle",
+            "toggleothers",
+            false
+          ]
+        },
         "tracegroupgap": {
           "description": "Sets the amount of vertical space (in px) between legend groups.",
           "dflt": 10,