build(deps): bump tokio from 1.39.3 to 1.40.0

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.39.3 to 1.40.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.39.3...tokio-1.40.0)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -36,7 +36,7 @@ serde = { version = "1.0" }
 serde_json = { version = "1.0.128" }
 testcontainers-modules = { version = "0.9.0" }
 thiserror = { version = "1.0.63" }
-tokio = { version = "1.39.3" }
+tokio = { version = "1.40.0" }
 tonic = { version = "0.12.2" }
 tonic-build = { version = "0.12.2" }
 tracing = { version = "0.1.40" }