Add metrics page for embeddings and face / license plate processing times (#15818)

* Get stats for embeddings inferences

* cleanup embeddings inferences

* Enable UI for feature metrics

* Change threshold

* Fix check

* Update python for actions

* Set python version

* Ignore type for now

frigate/types.py

@@ -2,11 +2,13 @@ from enum import Enum
 from typing import TypedDict
 
 from frigate.camera import CameraMetrics
+from frigate.embeddings.types import EmbeddingsMetrics
 from frigate.object_detection import ObjectDetectProcess
 
 
 class StatsTrackingTypes(TypedDict):
     camera_metrics: dict[str, CameraMetrics]
+    embeddings_metrics: EmbeddingsMetrics | None
     detectors: dict[str, ObjectDetectProcess]
     started: int
     latest_frigate_version: str