Fix rows for subscribe job

src/invidious/jobs.cr

@@ -158,6 +158,7 @@ def subscribe_to_feeds(db, logger, key, config)
     spawn do
       loop do
         db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > '4 days'") do |rs|
+          rs.each do
             ucid = rs.read(String)
             response = subscribe_pubsub(ucid, key, config)
 
@@ -165,6 +166,7 @@ def subscribe_to_feeds(db, logger, key, config)
               logger.write("#{ucid} : #{response.body}\n")
             end
           end
+        end
 
         sleep 1.minute
         Fiber.yield