Release Ancient Chinese models for tokenization, lemmatization, part-…

…of-speech tagging and dependency parsing

Release `2.1.0`

🏁常规维护；小版本+1，发布v1.8.6

Merge remote-tracking branch 'origin/1.x' into 1.x

Improve the safety of `torch.load` with `weights_only=True`

🏁常规维护与准确率提升；小版本+1，发布v1.8.4

修复动态自定义词典与CustomDictionaryForcing的搭配问题 fix #1712

Fix tf memory leak: tensorflow/tensorflow#37653 (comment)

🏁常规维护与准确率提升；小版本+1，发布v1.8.2

🏁常规维护与修复；小版本+1，发布v1.8.1