chore(deps): update axum-extra requirement from 0.10 to 0.12

Updates the requirements on [axum-extra](https://github.com/tokio-rs/axum) to permit the latest version.
- [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-extra
  dependency-version: 0.12.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

broker/Cargo.toml

@@ -31,7 +31,7 @@ futures-core = { version = "0.3", default-features = false }
 once_cell = "1"
 # Socket dependencies
 bytes = { version = "1", optional = true }
-axum-extra = { version = "0.10", features = ["typed-header"] }
+axum-extra = { version = "0.12", features = ["typed-header"] }
 hyper = { version = "1", default-features = false, optional = true}
 hyper-util = { version = "0.1", default-features = false, features = ["tokio"], optional = true}