On Thursday, the global fashion industry took a collective sigh of relief as the close of Paris couture capped off a first half absolutely jammed with events. This year, luxury’s biggest brands came swinging out of lockdowns, with Dior staging a staggering eight runway shows since January 2022, from Paris to Seoul, Los Angeles to Seville — up from seven during the same period in 2019. Chanel and Louis Vuitton have both turned out five…