build(deps): bump tokio-util from 0.7.11 to 0.7.12 (#1762)

Bumps [tokio-util](https://github.com/tokio-rs/tokio) from 0.7.11 to 0.7.12.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-util-0.7.11...tokio-util-0.7.12)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>

Cargo.lock

@@ -6016,9 +6016,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.11"
+version = "0.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cf6b47b3771c49ac75ad09a6162f53ad4b8088b76ac60e8ec1455b31a189fe1"
+checksum = "61e7c3654c13bcd040d4a03abee2c75b1d14a37b423cf5a813ceae1cc903ec6a"
 dependencies = [
  "bytes",
  "futures-core",

Cargo.toml

@@ -135,7 +135,7 @@ js-sys = "0.3.70"
 wasm-bindgen-futures = "0.4.43"
 futures-timer = "3"
 instant = { version = "0.1.13", default-features = false }
-tokio-util = "0.7.11"
+tokio-util = "0.7.12"
 
 # Substrate crates:
 sp-core = { version = "31.0.0", default-features = false }