Are there any official cameo appearances in rockstar games?

According to the Wikipedia source, Post Malone is an American singer, rapper, songwriter, record producer, and actor known for blending pop, hip-hop, trap, country, R&B, and rock genres. His career began in 2011 with mainstream recognition from his 2015 single 'White Iverson', leading to his debut album Stoney in 2016 and his second album Beerbongs & Bentleys in 2018. However, the provided evidence contains no information about Post Malone making official cameo appearances in Rockstar Games or any video game appearances whatsoever.