build(deps): bump futures-util from 0.3.21 to 0.3.23 (#4916)

* build(deps): bump futures-util from 0.3.21 to 0.3.23

Bumps [futures-util](https://github.com/rust-lang/futures-rs) from 0.3.21 to 0.3.23.
- [Release notes](https://github.com/rust-lang/futures-rs/releases)
- [Changelog](https://github.com/rust-lang/futures-rs/blob/master/CHANGELOG.md)
- [Commits](rust-lang/futures-rs@0.3.21...0.3.23)

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

Signed-off-by: dependabot[bot] <[email protected]>

* updated deprecated FuturesOrdered::push to push_back here too

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Co-authored-by: arya2 <[email protected]>

zebra-consensus/Cargo.toml

@@ -26,7 +26,7 @@ once_cell = "1.13.0"
 serde = { version = "1.0.144", features = ["serde_derive"] }
 
 futures = "0.3.23"
-futures-util = "0.3.21"
+futures-util = "0.3.23"
 metrics = "0.18.1"
 thiserror = "1.0.33"
 tokio = { version = "1.20.1", features = ["time", "sync", "tracing", "rt-multi-thread"] }