Get your hands on a Google Pixel phone and install GrapheneOS, google will be sandboxed. No more google privileges.
Discussion
Can I run Graphene on my OnePlus?
I don't think so, it uses a specific chip in the Pixel phones for it's security.
This is the link to the supported devices:
Pixels only, see if DivestOS is supported https://divestos.org/pages/devices
Does Divest sandbox Google?