By Lucy Craymer WELLINGTON (Reuters) -New Zealand’s ruling Labour Party on Sunday selected Chris Hipkins to replace Jacinda Ardern as its new leader and the 41st prime minister of the country, Radio New Zealand reported. Hipkins, 44, was the only nomination for the job and his confirmation in a meeting on Sunday by the 64 lawmakers, known as the Labour caucus, was largely a formality. Hipkins’ appointment to the top job followed the surprise resignation by Ardern on Thursday who said she had “no more in the tank” to lead the country. Known as “Chippy”, Hipkins built a reputation for competence…