feat: add new AlertDialog components

[noahchoii]

Description of Changes

@coderabbitai summary

• Alert Dialog 컴포넌트를 추가했습니다.

Checklist

Before submitting the PR, please make sure you have checked all of the following items.

• The PR title follows the Conventional Commits convention. (e.g., feat, fix, docs, style, refactor, test, chore)
• I have added tests for my changes.
• I have updated the Storybook or relevant documentation.
• I have added a changeset for this change. (e.g., for any changes that affect users, such as component prop changes or new features).
• I have performed a self-code review.
• I have followed the project's coding conventions and component patterns.

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Project	Deployment	Actions	Updated (UTC)
vapor-ui	Ready	Preview	Aug 27, 2026 7:24am

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[changeset-bot]

🦋 Changeset detected

Latest commit: a0f966e

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

This PR includes changesets to release 2 packages

Name	Type
@vapor-ui/core	Minor
@vapor-ui/composites	Major

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[vapor-ui]

🚫 4 tests failed!

Tests	Passed	Failed	Duration	Report
172	168	4	2m 6s	Open report ↗︎

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