chore(deps): update salvo requirement from 0.65.0 to 0.66.0

Updates the requirements on [salvo](https://github.com/salvo-rs/salvo) to permit the latest version.
- [Release notes](https://github.com/salvo-rs/salvo/releases)
- [Commits](salvo-rs/salvo@v0.65.0...v0.65.2)

---
updated-dependencies:
- dependency-name: salvo
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -39,5 +39,5 @@ pin-project-lite = "0.2.13"
 tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 criterion = { version = "0.5.1", features = ["html_reports"] }
 axum = "0.7.2"
-salvo = { version = "0.65.0", features = ["tower-compat"] }
+salvo = { version = "0.66.0", features = ["tower-compat"] }
 rust_socketio = { version = "0.4.2", features = ["async"] }