fix: 🐛 Update how Redis URL is passed to Bull

Bull no longer allows passing the URL directly as the value of
`options.redis`. Instead, pass URL as a separate argument when present.

See OptimalBits/bull#2118 for additional context.

src/server/queue/index.js

@@ -120,8 +120,14 @@ class Queues {
       if (queueConfig.createClient)
         options.createClient = queueConfig.createClient;
 
+      if (typeof options.redis === 'string') delete options.redis;
+
       const {Bull} = this._config;
-      queue = new Bull(name, options);
+      if (url) {
+        queue = new Bull(name, url, options);
+      } else {
+        queue = new Bull(name, options);
+      }
       queue.IS_BULL = true;
     }