Patrick Mahomes and Chiefs teammate Travis Kelce invested in Alpine, a French team on the Formula 1 circuit. And now the KC quarterback will be able to watch the team race at the British Grand Prix. It’s all part of the Mahomes family’s grand, European adventure before the quarterback heads to Chiefs training camp later this month. On Saturday, Patrick and Brittany Mahomes traveled to the Netherlands to catch Kelce’s girlfriend, Taylor Swift, perform at her Eras Tour stop in Amsterdam. On Friday, Mahomes was at Wimbledon. And the social media account of the most famous tennis tournament in the…