build(deps): bump tokio from 1.39.3 to 1.40.0 (#289)

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

@@ -86,7 +86,7 @@ portpicker = { version = "0.1", optional = true }
 rustls = { version = "0.23", optional = true, default-features = false, features = ["logging", "std", "tls12"] }
 rustls-native-certs = { version = "0.7", optional = true }
 # `rt-multi-thread` feature is required for `tokio::task::block_in_place` function.
-tokio = { version = "1.39", optional = true, features = ["time", "rt", "rt-multi-thread"] }
+tokio = { version = "1.40", optional = true, features = ["time", "rt", "rt-multi-thread"] }
 pcsc = { version = "2.8", optional = true }
 winscard = { version = "0.2", optional = true, path = "./crates/winscard" }
 
@@ -98,7 +98,7 @@ windows-sys = { version = "0.52", features = ["Win32_Security_Cryptography", "Wi
 [target.'cfg(any(target_os = "macos", target_os = "ios"))'.dependencies]
 async-dnssd = "0.5"
 futures = "0.3"
-tokio = { version = "1.38", features = ["time", "rt", "rt-multi-thread"] }
+tokio = { version = "1.40", features = ["time", "rt", "rt-multi-thread"] }
 
 [dev-dependencies]
 base64 = "0.22"