Netflix Inc.’s global sensation “Squid Game” helped lure more new customers than expected, the world’s largest streaming service said on Tuesday as it predicted a packed lineup would further boost signups through the end of the year. After a sharp slowdown in the first half of 2021, Netflix added 4.38 million subscribers from July through September to reach 213.6 million worldwide. Wall Street analysts had projected 3.86 million additions, according to Refinitiv data. Netflix enjoyed a subscriber boom last year as COVID-19 kept audiences at home, but growth stalled early this year. At the same time, Walt Disney Co’s Disney+, AT&T Inc.’s HBO Max and other competitors bolstered their offerings. Netflix blamed the earlier weakness in part on a thin slate of new programming caused by production shutdowns from the pandemic. Then, South Korean drama “Squid Game” debuted on Sept. 17 and surprised executives by becoming the streaming service’s most-watched …