chore: code refactor via rector

app/Models/RemoteEmail.php

@@ -42,13 +42,13 @@ class RemoteEmail extends Model
     public static function fetchEmailFromDB($email)
     {
         $validator = Validator::make(['email' => $email], [
-            'email' => 'required|email',
+            'email' => ['required', 'email'],
         ]);
 
         if ($validator->fails()) {
             return [];
         }
 
-        return self::whereJsonContains('to', $email)->orderBy('timestamp', 'desc')->get();
+        return self::query()->whereJsonContains('to', $email)->orderBy('timestamp', 'desc')->get();
     }
 }