Apple’s M3 Max MacBook Pro rumored to have 40 GPU cores and up to 48GB of RAM The M2 Max model of the MacBook Pro 16. | Photo by Amelia Holowaty Krales / The VergeOver the weekend, Bloomberg’s Mark Gurman dug into the specs of a Mac Mini in testing with the new generation of Apple Silicon, and today, he’s reporting that in the high-end 16-inch MacBook Pro, at least one version of the M3 Max chip seen in testing contains 1…