fix: add LIMIT clause to category selection for 'Läsk' to ensure single result

db/seeds/seed_all.sql

@@ -661,6 +661,7 @@ UPDATE `Product` SET `categoryId` = (
   SELECT c2.id FROM `Category` c1
   JOIN `Category` c2 ON c2.parentId = c1.id AND c2.name = 'Läsk och Energidryck'
   WHERE c1.name = 'Dryck' AND c1.parentId IS NULL
+  LIMIT 1
 ) WHERE `name` IN ('Läsk');
 
 -- Dryck (toppnivå)