Google Pixel 6 and Pixel 6 Pro camera specifications have leaked, and they represent a significant upgrade from the Pixel 5's cameras. Apparently, a 50 MP primary camera is on the table, as is an 8 MP periscope camera that supports up to 5x optical zoom.
https://www.notebookcheck.net/Google-Pixel-6-and-Pixel-6-Pro-camera-specifications-emerge.539842.0.html