By Jacob Gronholt-Pedersen and Maggie Fick COPENHAGEN/LONDON (Reuters) -Novo Nordisk on Wednesday forecast another year of double-digit growth as the Danish drugmaker began boosting U.S. supplies of its popular weight-loss drug Wegovy and pledged to roll out in new markets amid competition from Eli Lilly. The company, which has raced to increase output of the blockbuster drug amid shortages, said it was more than doubling supply of lower strength or “starter” Wegovy doses in the U.S. in January compared with recent months. Boosting supplies is the first sign of progress in Novo’s efforts last …