chore(deps): update dependency jieba to v0.42.1

[renovate]

This PR contains the following updates:

Package	Update	Change
jieba	minor	==0.39 -> ==0.42.1

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Release Notes

fxsjy/jieba

v0.42.1

Compare Source

修复setup.py在python2.7版本无法工作的问题

v0.42

Compare Source

1. 修复paddle模式空字符串coredump问题 @​JesseyXujin
2. 修复cut_all模式切分丢字问题 @​fxsjy
3. paddle安装检测优化 @​vissssa

v0.41

Compare Source

1. 开启paddle模式更友好
2. 修复cut_all模式不支持中英混合词的bug

v0.40

Compare Source

1. 支持基于paddle的深度学习分词模式(use_paddle=True); by @​JesseyXujin, @​xyzhou-puck
2. 修复自定义Tokenizer实例的add_word方法指向全局的问题; by @​linhx13
3. 修复whoosh测试用例的引用bug; by @​ZhengZixiang
4. 修复自定义词库不支持含"-"符号的问题；by @​JimCurryWang

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