fix: border thickness parameter usage for PercentageBarAnnotator

[soumik12345]

Description

Fixes #1905

List any dependencies that are required for this change.

Type of change

• Bug fix (non-breaking change which fixes an issue)

How has this change been tested, please provide a testcase or example of how you tested the change?

Using the following script:

from ultralytics import YOLO
import supervision as sv
from supervision.assets import download_assets, VideoAssets


download_assets(VideoAssets.PEOPLE_WALKING)
model = YOLO("yolov8m.pt")

box_annotator = sv.BoxAnnotator()
percentage_bar_annotator = sv.PercentageBarAnnotator(border_thickness=8)

def callback(frame, _):
    results = model(frame, verbose=False)[0]
    detections = sv.Detections.from_ultralytics(results)
    detections = detections[detections.class_id == 0]
    annotated_frame = box_annotator.annotate(
        scene=frame, detections=detections
    )
    annotated_frame = percentage_bar_annotator.annotate(
        scene=annotated_frame, detections=detections
    )
    return annotated_frame

sv.process_video(
    source_path="people-walking.mp4",
    target_path="output.mp4",
    callback=callback,
    show_progress=True,
    max_frames=100,
)