feat(Carousel): 走马灯点击回调支持传入当前点击子项索引

[kiner-tang]

这个 PR 做了什么? (简要描述所做更改)

• feat: 走马灯点击回调支持传入当前点击子项索引

这个 PR 是什么类型? (至少选择一个)

• 错误修复(Bugfix) fix #{issue id}
• 新功能(Feature) resolve #{issue id}
• 代码重构(Refactor)
• 文档修改(Docs)
• 代码风格更新(Code style update)
• 类型描述更新(TypeScript definition update)
• 其他，请描述(Other, please describe):

这个 PR 涉及以下平台:

• 未涉及平台修改
• 所有小程序
• 微信小程序
• 支付宝小程序
• 百度小程序
• 字节跳动小程序
• QQ 轻应用
• 京东小程序
• 快应用平台（QuickApp）
• Web 平台（H5）
• 移动端（React-Native）

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🦋 Changeset detected

Latest commit: fd2910a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
ossa-demo	Patch
ossa-doc	Patch
ossaui	Patch

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Name	Status	Preview	Updated
ossa-demo	✅ Ready (Inspect)	Visit Preview	Oct 31, 2022 at 7:45AM (UTC)

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Name	Status	Preview	Updated
ossa-doc	⬜️ Ignored (Inspect)		Oct 31, 2022 at 7:45AM (UTC)

[CaedmonW]

lgtm

[CaedmonW]

⚠️ No Changeset found

Latest commit: 0f95473

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