feat: add support for nexus-plugin-prisma-fork

[macrozone]

BREAKING CHANGE: resulting dialect of the dataprovider is slightly different from the one of nexus-plugin-prisma, so its no longer compatible with the old version

its unclear whether it breaks type-graphql support

[knapeto]

I will check it! @macrozone

[macrozone]

@knapeto i'll merge into beta and we can continue fro there. It surely needs adjustements in type-graphql, as for example this is slightly different:

https://github.com/morgothulhu/nexus-plugin-prisma/issues/31

[github-actions[bot]]

:tada: This PR is included in version @ra-data-prisma/backend-v9.0.0 :tada:

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot :package::rocket:

[github-actions[bot]]

:tada: This PR is included in version @ra-data-prisma/dataprovider-v8.0.0 :tada:

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: