build(deps): bump async-graphql from 7.0.11 to 7.0.15

Bumps [async-graphql](https://github.com/async-graphql/async-graphql) from 7.0.11 to 7.0.15.
- [Changelog](https://github.com/async-graphql/async-graphql/blob/master/CHANGELOG.md)
- [Commits](https://github.com/async-graphql/async-graphql/commits)

---
updated-dependencies:
- dependency-name: async-graphql
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -36,7 +36,7 @@ license = "MIT OR Apache-2.0"
 
 [workspace.dependencies]
 anyhow = "1.0"
-async-graphql = { version = "7.0.11", features = ["chrono", "uuid"] }
+async-graphql = { version = "7.0.15", features = ["chrono", "uuid"] }
 async-graphql-axum = "7.0.11"
 axum = "0.7.5"
 bs58 = "0.5.1"