Like many enduring facets of modern life, Shedinburgh began as a pandemic stopgap: a series of live streamed performances in an actual shed, staged the summer of 2020 when the Edinburgh Festival Fringe was cancelled. It was the brainchild of Francesca Moody, the Fringe producer with the golden touch, who has masterminded the success of such notable recent festival triumphs as Phoebe Waller-Bridge’s Fleabag, Richard Gadd’s Baby Reindeer, and last year’s Weathergirl.