The high-profile pair were given a wild card into the mixed doubles on Wednesday morning, with Murray keen to wring every last drop out of his final Wimbledon.Murray famously partnered Serena Williams in 2019, with the duo making it to the third round, and there will be just as much excitement around this pairing.The Scot revealed it had been several years in the making after they played against each other in a Battle of the Brits event in 2020.”We’d spoken about it a few years ago during the Covid year, but obviously both of us ended up doing quite well in singles so it didn’t happen,” he…