Use the built-in GraphQL authorization code

Summary

In 1.8.x, the graphql-ruby gem added authorization code (based on their Pro version) into the main gem. It continues to be integrated in 1.9.x.

We have written our own authorization code. During upgrading our gem, there were some overlaps. We should consider whether we can replace our own version with the built in version.

https://graphql-ruby.org/authorization/overview

Improvements

This would move a complicated chunk of our code into the gem , that gets used and enhanced and supported by the wider community.

Future gem upgrades should be easier and with fewer conflicts

Risks

Depending how different the two methodologies are, it could be significant rework

Involved components

All graphql files