add new type dial:confirm

lib/utils/constants.json

@@ -115,6 +115,7 @@
     "session:redirect",
     "call:status",
     "queue:status",
+    "dial:confirm",
     "verb:hook",
     "jambonz:error"
   ],

lib/utils/place-outdial.js

@@ -309,7 +309,7 @@ class SingleDialer extends Emitter {
   async _executeApp(confirmHook) {
     try {
       // retrieve set of tasks
-      const tasks = await this.requestor.request('confirmHook', confirmHook, this.callInfo.toJSON());
+      const tasks = await this.requestor.request('dial:confirm', confirmHook, this.callInfo.toJSON());
 
       // verify it contains only allowed verbs
       const allowedTasks = tasks.filter((task) => {