[Snyk] Upgrade defu from 6.1.3 to 6.1.4

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade defu from 6.1.3 to 6.1.4.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

- The recommended version is **1 version** ahead of your current version. - The recommended version was released **21 days ago**, on 2024-01-05.

Release notes

Package name: defu

6.1.4 - 2024-01-05
compare changes

🩹 Fixes
- Merge objects with Module type (#121)
💅 Refactors
- Move isPlainObject to _utils to allow testing (e922a16)
- Make isPlainObject logic more readable (e458b63)
📖 Documentation
- Fix typo (#116)
✅ Tests
- Improve tests for internal isPlainObject util (b24a213)
❤️ Contributors
- Alexander Lichter (@ manniL)
- Pooya Parsa (@ pi0)
- Yu Le is.yuler@gmail.com
```
 </li>
 <li>
 6.1.3 - <a href="https://snyk.io/redirect/github/unjs/defu/releases/tag/v6.1.3">2023-10-24</a><a href="https://snyk.io/redirect/github/unjs/defu/compare/v6.1.2...v6.1.3">compare changes</a>
```
🩹 Fixes
- Only merge plain objects (#111)
📦 Build
- Backward compatible cjs entry (#110)
📖 Documentation
- Update badges (581dd92)
- Fix typo (#96)
- Fix the result of the array merging (#99)
- Fix typo (#107)
❤️ Contributors
- Pooya Parsa (@ pi0)
- Abdul Al-Hasany info@kalimah-apps.com
- Kricsleo
- Donald Shtjefni (@ dnldsht)
- Sébastien Chopin seb@nuxtjs.com
```
 </li>
</ul>
from <a href="https://snyk.io/redirect/github/unjs/defu/releases">defu GitHub release notes</a>
```