fix(deps): update rust crate async-graphql to v7 (#22)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [async-graphql](https://togithub.com/async-graphql/async-graphql) |
dependencies | major | `6` -> `7` |

---

### Release Notes

<details>
<summary>async-graphql/async-graphql (async-graphql)</summary>

###
[`v7.0.3`](https://togithub.com/async-graphql/async-graphql/blob/HEAD/CHANGELOG.md#703-2024-03-16)

- Sort schema fields & enums if required
[#&#8203;1475](https://togithub.com/async-graphql/async-graphql/pull/1475)
- Change the `type_name` of `EmptySubscription` fix
[#&#8203;1435](https://togithub.com/async-graphql/async-graphql/issues/1435)
[#&#8203;1475](https://togithub.com/async-graphql/async-graphql/pull/1475)
- add `Request::set_parsed_query` method
[#&#8203;1483](https://togithub.com/async-graphql/async-graphql/pull/1483)
- Upgrade strum to 0.26
[#&#8203;1485](https://togithub.com/async-graphql/async-graphql/pull/1485)
- Fix validation of non-nullable variables with default values
[#&#8203;1491](https://togithub.com/async-graphql/async-graphql/pull/1491)
- add `NextExecute::run_with_data` method to attach context data before
execution
- feat: add registry method in dynamic::Registry
[#&#8203;1492](https://togithub.com/async-graphql/async-graphql/pull/1492)
- Allow non-scalars to be used as directive arguments
[#&#8203;1493](https://togithub.com/async-graphql/async-graphql/pull/1493)
- fix: add description to \__schema introspection result
[#&#8203;1489](https://togithub.com/async-graphql/async-graphql/pull/1489)

###
[`v7.0.2`](https://togithub.com/async-graphql/async-graphql/blob/HEAD/CHANGELOG.md#702-2024-02-18)

- Fix `#[derive(OneofObject)]` rejecting enums where the type comes from
a macro subsitution
[#&#8203;1473](https://togithub.com/async-graphql/async-graphql/pull/1473)
- Optimize object proc-macro codegen
[#&#8203;1470](https://togithub.com/async-graphql/async-graphql/pull/1470)
- Use `impl Future` instead of `async-trait` in most traits.
[#&#8203;1468](https://togithub.com/async-graphql/async-graphql/pull/1468)
- Upgrade `base64` to `0.21`
[#&#8203;1466](https://togithub.com/async-graphql/async-graphql/pull/1466)
- Standardize space between Args, Lists and Binary items
[#&#8203;1392](https://togithub.com/async-graphql/async-graphql/pull/1392)
- feat: support bigdecimal 0.4.x
[#&#8203;1358](https://togithub.com/async-graphql/async-graphql/pull/1358)

###
[`v7.0.1`](https://togithub.com/async-graphql/async-graphql/blob/HEAD/CHANGELOG.md#701-2024-01-21)

- Add `Shareable` Attribute To InputObjectField
[#&#8203;1459](https://togithub.com/async-graphql/async-graphql/pull/1459)
- Feature Generic Unions
[#&#8203;1424](https://togithub.com/async-graphql/async-graphql/pull/1424)
- Address axum integration compilation error with non-Sync body
[#&#8203;1460](https://togithub.com/async-graphql/async-graphql/pull/1460)
- fix: date cursor precision string format
[#&#8203;1462](https://togithub.com/async-graphql/async-graphql/pull/1462)

###
[`v7.0.0`](https://togithub.com/async-graphql/async-graphql/blob/HEAD/CHANGELOG.md#700-2024-01-06)

-   upgrade to `http1`
- Feature extend ResolveInfo with field attribute
[#&#8203;1428](https://togithub.com/async-graphql/async-graphql/pull/1428)

</details>

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Cargo.toml

@@ -11,7 +11,7 @@ publish = ["wafflehacks"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-async-graphql = { version = "6", default-features = false, optional = true }
+async-graphql = { version = "7", default-features = false, optional = true }
 async-trait = { version = "0.1", optional = true }
 eyre = "0.6"
 http = { version = "0.2", optional = true }