Bump tokio-util from 0.6.4 to 0.6.5

Bumps [tokio-util](https://github.com/tokio-rs/tokio) from 0.6.4 to 0.6.5.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-util-0.6.4...tokio-util-0.6.5)

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

Cargo.lock

@@ -3777,9 +3777,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec31e5cc6b46e653cf57762f36f71d5e6386391d88a72fd6db4508f8f676fb29"
+checksum = "5143d049e85af7fbc36f5454d990e62c2df705b3589f123b71f441b6b59f443f"
 dependencies = [
  "bytes",
  "futures-core",