Bump futures-util from 0.3.30 to 0.3.31 (#120)

Bumps [futures-util](https://github.com/rust-lang/futures-rs) from 0.3.30 to 0.3.31.
- [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@0.3.30...0.3.31)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -32,7 +32,7 @@ dashmap = "6.1.0"
 delouse = { version = "0.1", optional = true }
 dropshot = "0.12"
 futures = "0.3.28"
-futures-util = "0.3.30"
+futures-util = "0.3.31"
 http = "1"
 hyper = "1"
 libmdns = "0.9.1"