Bump tokio from 1.39.3 to 1.40.0 (#1266)

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

Cargo.toml

@@ -58,7 +58,7 @@ sha2 = "0.10.8"
 subtle = "2.6.1"
 thiserror = "1.0.63"
 time = { version = "0.3.36", features = ["serde", "serde-well-known"] }
-tokio = { version = "1.39.3", features = ["full"] }
+tokio = { version = "1.40.0", features = ["full"] }
 tracing = "0.1.40"
 trillium = "0.2.20"
 tracing-chrome = "0.7.2"

cli/Cargo.toml

@@ -50,4 +50,4 @@ janus_collector = "0.7.21"
 url = "2.5.2"
 janus_messages = "0.7.32"
 prio = "0.16.7"
-tokio = { version = "1.39.3" }
+tokio = { version = "1.40.0" }