Bump futures from 0.3.30 to 0.3.31 (#270)

Bumps [futures](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
  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

@@ -17,7 +17,7 @@ bitflags = "2.6.0"
 bluez-generated = { version = "0.3.0", path = "../bluez-generated" }
 dbus = { version = "0.9.7", features = ["futures"] }
 dbus-tokio = "0.7.6"
-futures = "0.3.30"
+futures = "0.3.31"
 itertools = "0.13.0"
 log = "0.4.22"
 serde = { version = "1.0.210", features = ["derive"] }