Bump clap from 4.5.37 to 4.5.38 in /backend

Bumps [clap](https://github.com/clap-rs/clap) from 4.5.37 to 4.5.38.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_complete-v4.5.37...clap_complete-v4.5.38)

---
updated-dependencies:
- dependency-name: clap
  dependency-version: 4.5.38
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/sync_server/Cargo.toml

@@ -32,7 +32,7 @@ rand = "0.9.0"
 sanitize-filename = "0.6.0"
 axum-jsonschema = { version = "0.8.0", features = ["aide"] }
 regex = "1.11.1"
-clap = { version = "4.5.37", features = ["derive"] }
+clap = { version = "4.5.38", features = ["derive"] }
 futures = "0.3.31"
 serde_json = "1.0.140"
 clap-verbosity-flag = "3.0.2"