Bump axum from 0.5.17 to 0.8.9

Bumps [axum](https://github.com/tokio-rs/axum) from 0.5.17 to 0.8.9.
- [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-v0.5.17...axum-v0.8.9)

---
updated-dependencies:
- dependency-name: axum
  dependency-version: 0.8.9
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -35,7 +35,7 @@ exitcode = "1.1.2"
 tokio-rustls = { version = "0.24", features = ["dangerous_configuration"] }
 x509-parser = "0.14.0"
 hex = "0.4.3"
-axum = "0.5.16"
+axum = "0.8.9"
 serde_cbor = "0.11"
 base64 = "0.13.0"
 aws-nitro-enclaves-image-format = "0.2.0"