fix: Upgrade spacy model

[fangyinc]

Description

Old zh_core_web_sm model will install pydantic 1.x, we should upgrade i to new version.

How Has This Been Tested?

Modify .env:

# Makesure use SpacyTextSplitter with model "zh_core_web_sm"
LANGUAGE=zh

Load documents into knowledge space, then test it's functionality.

Snapshots:

Include snapshots for easier review.

Checklist:

• My code follows the style guidelines of this project
• I have already rebased the commits and make the commit message conform to the project standard.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules

[csunny]

r+

[Aries-ckt]

r+