Bump tokio-util from 0.4.0 to 0.5.0

Bumps [tokio-util](https://github.com/tokio-rs/tokio) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/commits/tokio-util-0.5.0)

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

Cargo.lock

@@ -964,11 +964,11 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24793699f4665ba0416ed287dc794fe6b11a4aa5e4e95b58624f45f6c46b97d4"
+checksum = "73af76301319bcacf00d26d3c75534ef248dcad7ceaf36d93ec902453c3b1706"
 dependencies = [
- "bytes 0.5.6",
+ "bytes 0.6.0",
  "futures-core",
  "futures-io",
  "futures-sink",
@@ -1050,7 +1050,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio 0.3.2",
- "tokio-util 0.4.0",
+ "tokio-util 0.5.0",
  "toml",
  "warp",
 ]

Cargo.toml

@@ -13,7 +13,7 @@ serde = {version = "1.0", features = ["derive"]}
 bincode = "1.3"
 warp = {version = "0.2", default-features = false}
 tokio = {version = "0.3", features = ["macros", "io-util", "net", "time", "stream", "rt-multi-thread", "fs", "sync", "signal"]}
-tokio-util = {version = "0.4", features = ["compat"]}
+tokio-util = {version = "0.5", features = ["compat"]}
 binascii = "0.1"
 toml = "0.5"
 clap = "2.33"