build(deps): bump axum from 0.8.3 to 0.8.4

Bumps [axum](https://github.com/tokio-rs/axum) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/tokio-rs/axum/releases)
- [Changelog](https://github.com/tokio-rs/axum/blob/main/CHANGELOG.md)
- [Commits](tokio-rs/axum@axum-v0.8.3...axum-v0.8.4)

---
updated-dependencies:
- dependency-name: axum
  dependency-version: 0.8.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -41,7 +41,7 @@ license = "MIT OR Apache-2.0"
 anyhow = "1.0"
 async-graphql = { version = "7.0.17", features = ["chrono"] }
 async-graphql-axum = "7.0.15"
-axum = "0.8.3"
+axum = "0.8.4"
 chrono = "0.4.41"
 bs58 = "0.5.1"
 clap = { version = "4.5.4", features = ["derive", "env", "wrap_help"] }