Bump axum from 0.6.17 to 0.6.18

Bumps [axum](https://github.com/tokio-rs/axum) from 0.6.17 to 0.6.18.
- [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-v0.6.17...axum-v0.6.18)

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

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

Cargo.toml

@@ -34,7 +34,7 @@ argon2 = "0.5"
 askama = { version="0.12.0"}
 async-sqlx-session = { git="https://github.com/jbr/async-sqlx-session.git", rev="3f2e1cf", default-features = false, features = ["sqlite"] }
 async-trait = "0.1.66"
-axum = { version="0.6.16", features=["http2", "headers", "original-uri", "macros"] }
+axum = { version="0.6.18", features=["http2", "headers", "original-uri", "macros"] }
 axum-csp = { version="^0.0.1", path="axum-csp/"}
 axum-extra = { version = "0.7.4" }
 axum-macros = "0.3.5"