Update dependency discuss to v0.2.9

Created by: renovate[bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
discuss	0.2.8 -> 0.2.9

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Release Notes

Lete114/Discuss

v0.2.9

Compare Source

修复: 发送新评论后返回的数据没有pid和rid导致回复的评论变为主评论的bug 修复: 当发送新评论成功后评论内容将会被清空，而发送按钮并未检测，导致发送按钮未被禁用的bug(前端问题，后端会经过数据筛选判断)

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