chore(deps): update async-graphql to v6 (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
async-graphql	dependencies	major	5.0.10 -> 6.0.4
async-graphql-axum	dependencies	major	5.0.10 -> 6.0.4

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Release Notes

async-graphql/async-graphql (async-graphql)

v6.0.4

• Parse "repeatable" in directive definitions. #​1336
• add support multipart/mixed request. #​1348
• async-graphql-actix-web: add GraphQL handler.
• async-graphql-axum: add GraphQL service.

v6.0.3

• dynamic: fix the error that some methods of XXXAccessor return reference lifetimes that are smaller than expected.
• dynamic: no longer throws an error if the Query object does not contain any fields but the schema contains entities.
• chore: make accessors public and reexport indexmap #​1329
• feat: added OutputType implementation for std::sync::Weak #​1334

v6.0.1

• dynamic: remove TypeRefInnner
• update MSRV to 1.67.0

v6.0.0

• Bump syn from 1.0 to 2.0
• Bump darling from 0.14 to 0.20
• Bump indexmap from 1.6.2 to 2
• Attributes guard, process_with, complexity support expression or string as value #​1295
• Schema (type) level directive support with optional support of federation composeDirective #​1308
• Add support for generic structs derriving InputObject and SimpleObject #​1313
• chore: trim up some unnecessary code #​1324
• Adds Dataloader::get_cached_values method to the dataloader cache so that callers can access the contents of the cache without knowing the keys. #​1326

Breaking Changes

• Since syn 2.0 no longer supports keywords as meta path, rename the parameter used to specify interface field types from type to ty.

  /~https://github.com/dtolnay/syn/issues/1458
  /~https://github.com/TedDriggs/darling/issues/238/238

#[derive(Interface)]
#[graphql(field(name = "id", ty = "&i32"))] // rename from type to ty
enum Node {
    MyObj(MyObj),
}

• Change the parameter location of the macro Directive to PascalCase

// #[Directive(location = "field")]

#[Directive(location = "Field")]
pub fn lowercase() -> impl CustomDirective {
    LowercaseDirective
}

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