feat: introduce RateLimitException (#4199)

bridges/YoutubeBridge.php

@@ -82,13 +82,14 @@ class YoutubeBridge extends BridgeAbstract
     {
         $cacheKey = 'youtube_rate_limit';
         if ($this->cache->get($cacheKey)) {
-            throw new HttpException('429 Too Many Requests', 429);
+            throw new RateLimitException();
         }
         try {
             $this->collectDataInternal();
         } catch (HttpException $e) {
             if ($e->getCode() === 429) {
                 $this->cache->set($cacheKey, true, 60 * 16);
+                throw new RateLimitException();
             }
             throw $e;
         }