chore(bot): bump @milkdown/crepe from 7.17.2 to 7.17.3 in /assets (#627)

Bumps [@milkdown/crepe](https://github.com/Milkdown/milkdown/tree/HEAD/packages/crepe) from 7.17.2 to 7.17.3.
- [Release notes](https://github.com/Milkdown/milkdown/releases)
- [Changelog](https://github.com/Milkdown/milkdown/blob/main/packages/crepe/CHANGELOG.md)
- [Commits](https://github.com/Milkdown/milkdown/commits/v7.17.3/packages/crepe)

---
updated-dependencies:
- dependency-name: "@milkdown/crepe"
  dependency-version: 7.17.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]