feat(ml): coreml (#17718)

* coreml

* add test

* use arena by default in native installation

* fix tests

* add env to docs

* remove availability envs

machine-learning/immich_ml/config.py

@@ -61,6 +61,7 @@ class Settings(BaseSettings):
     request_threads: int = os.cpu_count() or 4
     model_inter_op_threads: int = 0
     model_intra_op_threads: int = 0
+    model_arena: bool = True
     ann: bool = True
     ann_fp16_turbo: bool = False
     ann_tuning_level: int = 2