chore(deps): bump zbus from 5.3.0 to 5.4.0 (#126)

Bumps [zbus](https://github.com/dbus2/zbus) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/dbus2/zbus/releases)
- [Commits](z-galaxy/zbus@zbus-5.3.0...zbus-5.4.0)

---
updated-dependencies:
- dependency-name: zbus
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -14,5 +14,5 @@ iced = { workspace = true, features = ["tokio"] }
 iced_runtime.workspace = true
 iced_layershell.workspace = true
 
-zbus = { version = "5.3.0", default-features = false, features = ["tokio"] }
+zbus = { version = "5.4.0", default-features = false, features = ["tokio"] }
 futures = "0.3.31"