chore(deps): bump defu from 6.1.4 to 6.1.6

Bumps [defu](https://github.com/unjs/defu) from 6.1.4 to 6.1.6.
- [Release notes](https://github.com/unjs/defu/releases)
- [Changelog](https://github.com/unjs/defu/blob/main/CHANGELOG.md)
- [Commits](unjs/defu@v6.1.4...v6.1.6)

---
updated-dependencies:
- dependency-name: defu
  dependency-version: 6.1.6
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

yarn.lock

@@ -4942,9 +4942,9 @@ __metadata:
   linkType: hard
 
 "defu@npm:^6.1.4":
-  version: 6.1.4
-  resolution: "defu@npm:6.1.4"
-  checksum: 40e3af6338f195ac1564f53d1887fa2d0429ac7e8c081204bc4d29191180059d3952b5f4e08fe5df8d59eb873aa26e9c88b56d4fac699673d4a372c93620b229
+  version: 6.1.6
+  resolution: "defu@npm:6.1.6"
+  checksum: 639367cc678f08a919c46b86368e981db005745df91f726ba69b035f61d5a3ce150f716f71527821b8252a518586c6bda09a816b68efb0df842b2ebdf3e45e82
   languageName: node
   linkType: hard