chore(deps): update tokio-util requirement from 0.6 to 0.7 (#695)

Updates the requirements on [tokio-util](https://github.com/tokio-rs/tokio) to permit the latest version.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/commits

)

---
updated-dependencies:
- dependency-name: tokio-util
  dependency-type: direct:production
...

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

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

client/transport/Cargo.toml

@@ -16,7 +16,7 @@ tracing = { version = "0.1", optional = true }
 thiserror = { version = "1", optional = true }
 futures = { version = "0.3.14", default-features = false, features = ["std"], optional = true }
 http = { version = "0.2", optional = true }
-tokio-util = { version = "0.6", features = ["compat"], optional = true }
+tokio-util = { version = "0.7", features = ["compat"], optional = true }
 tokio = { version = "1", features = ["net", "time", "macros"], optional = true }
 pin-project = { version = "1", optional = true }
 rustls-native-certs = { version = "0.6", optional = true }

test-utils/Cargo.toml

@@ -17,4 +17,4 @@ serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = "1"
 soketto = { version = "0.7.1", features = ["http"] }
 tokio = { version = "1.8", features = ["net", "rt-multi-thread", "macros", "time"] }
-tokio-util = { version = "0.6", features = ["compat"] }
+tokio-util = { version = "0.7", features = ["compat"] }

ws-server/Cargo.toml

@@ -19,7 +19,7 @@ tracing = "0.1"
 serde_json = { version = "1", features = ["raw_value"] }
 soketto = "0.7.1"
 tokio = { version = "1.8", features = ["net", "rt-multi-thread", "macros", "time"] }
-tokio-util = { version = "0.6", features = ["compat"] }
+tokio-util = { version = "0.7", features = ["compat"] }
 
 [dev-dependencies]
 anyhow = "1"