graphql 17

Feature description

As far as I see postgraphile is currently built on/for GraphQL v16. As GraphQL v17 is released and I haven't found a tracking issue for support yet, I'm adding this.

Motivating example

Not urgent for me, just thinking about the future of the ecosystem.

Breaking changes

tbd

Supporting development

I [tick all that apply]:

• am interested in building this feature myself
• am interested in collaborating on building this feature
• am willing to help testing this feature before it's released
• am willing to write a test-driven test suite for this feature (before it exists)
• am a Graphile sponsor ❤️
• have an active support or consultancy contract with Graphile