update opencv requirement

import os.path as osp

import os

import json

import cv2

from qtpy.QtWidgets import QMainWindow, QHBoxLayout, QVBoxLayout, QApplication, QStackedWidget, QWidget, QSplitter, QListWidget, QShortcut, QListWidgetItem

from qtpy.QtCore import Qt, QPoint, QSize

fugashi

unidic_lite

tqdm

opencv-python>=4.5.4

opencv-python==4.5.*

PyQt5<=5.15.4

shapely

pyclipper