deps(rust): update libhimmelblau requirement from 0.3.8 to 0.4.0

---
updated-dependencies:
- dependency-name: libhimmelblau
  dependency-type: direct:production
...

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

Cargo.toml

@@ -40,7 +40,7 @@ tracing-subscriber = "^0.3.17"
 tracing = "^0.1.37"
 himmelblau_unix_common = { path = "src/common" }
 kanidm_unix_common = { path = "src/glue" }
-libhimmelblau = { version = "0.3.9" }
+libhimmelblau = { version = "0.4.0" }
 clap = { version = "^4.5", features = ["derive", "env"] }
 clap_complete = "^4.4.1"
 reqwest = { version = "^0.12.2", features = ["json"] }