chore(changeset): fix frontmatter format of changeset

[sungik-choi]

Self Checklist

• I wrote a PR title in English and added an appropriate label to the PR.
• I wrote the commit message in English and to follow the Conventional Commits specification.
• I added the changeset about the changes that needed to be released. (or didn't have to)
• I wrote or updated documentation related to the changes. (or didn't have to)
• I wrote or updated tests related to the changes. (or didn't have to)
• I tested the changes in various browsers. (or didn't have to)
  • Windows: Chrome, Edge, (Optional) Firefox
  • macOS: Chrome, Edge, Safari, (Optional) Firefox

Summary

changeset의 잘못된 프론트매터 포맷을 수정합니다.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 3e8e025

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes changesets to release 2 packages

Name	Type
@channel.io/bezier-icons	Minor
bezier-figma-plugin	Patch

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (fd7a5c7) 87.23% compared to head (3e8e025) 87.23%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1658   +/-   ##
=======================================
  Coverage   87.23%   87.23%           
=======================================
  Files         281      281           
  Lines        3900     3900           
  Branches      820      820           
=======================================
  Hits         3402     3402           
  Misses        424      424           
  Partials       74       74           

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