Bump tokio from 1.37.0 to 1.39.2

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.37.0 to 1.39.2.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.37.0...tokio-1.39.2)

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

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

Cargo.toml

@@ -39,7 +39,7 @@ russh-keys = "^0.38"
 rustls-pemfile = "^2.0"
 rustls-pki-types = "^1.0"
 thiserror = "^1.0"
-tokio = { version = "^1.0", default-features = false }
+tokio = { version = "^1.39", default-features = false }
 tokio-rustls = "^0.25"
 tracing = { version = "^0.1", features = ["log"] }
 tracing-appender = "^0.2.3"