chore(deps): update quick-xml requirement from 0.37 to 0.38 in /back-end

Updates the requirements on [quick-xml](https://github.com/tafia/quick-xml) to permit the latest version.
- [Release notes](https://github.com/tafia/quick-xml/releases)
- [Changelog](https://github.com/tafia/quick-xml/blob/master/Changelog.md)
- [Commits](tafia/quick-xml@v0.37.0...v0.38.4)

---
updated-dependencies:
- dependency-name: quick-xml
  dependency-version: 0.38.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

back-end/crates/malbox-provider-libvirt/Cargo.toml

@@ -13,5 +13,5 @@ serde.workspace = true
 tokio.workspace = true
 virt = "0.4.3"
 uuid = { version = "1.11", features = ["v4"] }
-quick-xml = { version = "0.37", features = ["serialize"] }
+quick-xml = { version = "0.38", features = ["serialize"] }
 chrono = "0.4"