Bump axum from 0.7.9 to 0.8.1

Bumps [axum](https://github.com/tokio-rs/axum) from 0.7.9 to 0.8.1.
- [Release notes](https://github.com/tokio-rs/axum/releases)
- [Changelog](https://github.com/tokio-rs/axum/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tokio-rs/axum/commits)

---
updated-dependencies:
- dependency-name: axum
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 async-graphql = { version = "7.0.15", features = ["chrono"] }
 async-graphql-axum = "7.0.6"
-axum = "0.7.3"
+axum = "0.8.1"
 chrono = "0.4.38"
 serde = { version = "1.0.188", features = ["derive"] }
 sqlx = { version = "0.7.1", features = ["chrono", "postgres", "runtime-tokio"] }