By Philip Pullella VATICAN CITY (Reuters) – Pope Francis on Sunday declared 10 people saints of the Roman Catholic Church, including an anti-Nazi Dutch priest murdered in the Dachau concentration camp and a French hermit monk assassinated in Algeria. The 85-year-old pope, who has been using a wheel chair due to knee and leg pain, was driven to the altar at the start of the ceremony, which was attended by more than 50,000 people in St Peter’s Square. It was the one of the largest gatherings there since the easing of COVID restrictions earlier this year. Francis limped to a chair behind the alta…