Bump tokio from 1.37.0 to 1.38.0 (#3191)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.37.0 to 1.38.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.37.0...tokio-1.38.0)

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

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

Cargo.toml

@@ -43,7 +43,7 @@ reqwest = { version = "0.12.4", default-features = false, features = ["rustls-tl
 rstest = "0.17.0"
 testcontainers = "0.16.7"
 thiserror = "1.0"
-tokio = { version = "1.37", features = ["full", "tracing"] }
+tokio = { version = "1.38", features = ["full", "tracing"] }
 trillium = "0.2.19"
 trillium-api = { version = "0.2.0-rc.11", default-features = false }
 trillium-caching-headers = "0.2.3"