Bump axum from 0.5.5 to 0.5.6 (#415)

Bumps [axum](https://github.com/tokio-rs/axum) from 0.5.5 to 0.5.6.
- [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/compare/axum-v0.5.5...axum-v0.5.6)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -181,9 +181,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "axum"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00f1e8a972137fad81e2a1a60b86ff17ce0338f8017264e45a9723d0083c39a1"
+checksum = "ab2504b827a8bef941ba3dd64bdffe9cf56ca182908a147edd6189c95fbcae7d"
 dependencies = [
  "async-trait",
  "axum-core",