Update deletes.php

app/workers/deletes.php

@@ -17,7 +17,7 @@ class DeletesV1
 {
     public $args = [];
 
-    public function setUp()
+    public function setUp(): void
     {
     }
 
@@ -39,7 +39,7 @@ class DeletesV1
         }
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         // ... Remove environment for this job
     }