uodate helm npu pipeline

Author: ajagadi1

metro-ai-suite/metro-vision-ai-app-recipe/loitering-detection/helm-chart/config/dlstreamer-pipeline-server/config.json

@@ -44,7 +44,7 @@
                 "name": "object_tracking_npu",
                 "source": "gstreamer",
                 "queue_maxsize": 50,
-                "pipeline": "{auto_source} name=source ! parsebin ! vah264dec ! vapostproc ! video/x-raw(memory:VAMemory) ! gvaattachroi roi=0,200,300,400 ! gvadetect inference-region=1 inference-interval=1 batch-size=1 nireq=1 threshold=0.7 model=/home/pipeline-server/models/intel/pedestrian-and-vehicle-detector-adas-0001/FP16/pedestrian-and-vehicle-detector-adas-0001.xml model_proc=/home/pipeline-server/models/intel/pedestrian-and-vehicle-detector-adas-0001/pedestrian-and-vehicle-detector-adas-0001.json device=NPU model-instance-id=instnpu0 name=detection ! queue max-size-buffers=1 max-size-bytes=0 max-size-time=0 ! gvatrack tracking-type=short-term-imageless ! gvametaconvert add-empty-results=true name=metaconvert ! appsink name=destination",
+                "pipeline": "{auto_source} name=source ! parsebin ! vah264dec ! vapostproc ! video/x-raw(memory:VAMemory) ! gvaattachroi roi=0,200,300,400 ! gvadetect inference-region=1 inference-interval=1 batch-size=1 nireq=2 threshold=0.7 model=/home/pipeline-server/models/intel/pedestrian-and-vehicle-detector-adas-0001/FP16/pedestrian-and-vehicle-detector-adas-0001.xml model_proc=/home/pipeline-server/models/intel/pedestrian-and-vehicle-detector-adas-0001/pedestrian-and-vehicle-detector-adas-0001.json device=NPU model-instance-id=instnpu0 name=detection ! queue max-size-buffers=1 max-size-bytes=0 max-size-time=0 ! gvatrack tracking-type=short-term-imageless ! gvametaconvert add-empty-results=true name=metaconvert ! appsink name=destination",
                 "description": "Object detection with yolov8",
                 "parameters": {
                     "type": "object",