Removed DiscordPHP deprecated function usage

Author: davidcole1340

src/Discord/Parts/Interaction.php

@@ -23,7 +23,7 @@
  * @property string $id
  * @property string $type
  * @property array $data
- * @property string $guild_id
+ * @property string|null $guild_id
  * @property string $channel_id
  * @property \Discord\Parts\Member\Member|array $member
  * @property string $token
@@ -82,7 +82,7 @@ public function __construct($attributes = [], Discord $discord = null, Http $htt
         $this->application_id = $application_id;
 
         if (is_null($this->http) && ! is_null($this->discord)) {
-            $this->http = $this->discord->getHttp();
+            $this->http = $this->discord->getHttpClient();
         }
 
         if (is_null($this->application_id) && ! is_null($this->discord)) {