Hong Kong is expecting 13 new Covid-19 cases on Saturday, extending the city’s run of fewer than 20 daily infections to a sixth day.The latest figure from sources came a day after the government further relaxed social-distancing rules on Friday, including allowing four people to meet in public and eat at a table in restaurants.Secretary for the Civil Service Patrick Nip Tak-kuen said on his Facebook page on Saturday morning that as of 8.30am, 1.625 million people, or more than 21 per cent of…