[graphql]: use released version for async-graphql

[kodemartin]

Description

Following #6901 we should update to the released version of the async-graphql crate that includes the fix for graphiql.

[marc2332]

A release was made: https://crates.io/crates/async-graphql/7.0.17

I'll create a PR on monday

[kodemartin]

There are some benign test regressions: See #6969