update github workflow to Publish to PyPI

magic_pdf/model/doc_analyze_by_360layout.py

+from ultralytics import YOLO
+
+image_path = ''  # 待预测图片路径
+model_path = ''  # 权重路径
+model = YOLO(model_path)
+
+result = model(image_path, save=True, conf=0.5, save_crop=False, line_width=2)
+print(result)
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