Update InboxPipeline, add missing import

app/Jobs/InboxPipeline/InboxValidator.php

@@ -2,6 +2,7 @@
 
 namespace App\Jobs\InboxPipeline;
 
+use Cache;
 use App\Profile;
 use App\Util\ActivityPub\{
     Helpers,

app/Jobs/InboxPipeline/InboxWorker.php

@@ -2,6 +2,7 @@
 
 namespace App\Jobs\InboxPipeline;
 
+use Cache;
 use App\Profile;
 use App\Util\ActivityPub\{
     Helpers,
@@ -103,7 +104,7 @@ class InboxWorker implements ShouldQueue
                     return;
                 }
             });
-            
+
             return;
         }