feat: Update dependencies and implement face detection features

- Updated async-nats dependency to version 0.45.0 in both libertas_api and libertas_worker.
- Introduced AI-related structures and traits in libertas_core for face detection.
- Added AiConfig and FaceDetectorRuntime enums to support different face detection methods.
- Implemented TractFaceDetector and RemoteNatsFaceDetector in libertas_infra for local and remote face detection.
- Created FaceDetectionPlugin to integrate face detection into the media processing pipeline.
- Enhanced XMP writing functionality to include face region data.
- Updated PluginManager to initialize face detection plugins based on configuration.

libertas_api/Cargo.toml

@@ -31,7 +31,7 @@ rand_core = { version = "0.9.3", features = ["std"] }
 sha2 = "0.10.9"
 futures = "0.3.31"
 bytes = "1.10.1"
-async-nats = "0.44.2"
+async-nats = "0.45.0"
 tower = { version = "0.5.2", features = ["util"] }
 tower-http = { version = "0.6.6", features = ["fs", "trace"] }
 tracing = "0.1.41"