chore: Bump undici from 6.21.2 to 7.8.0

Bumps [undici](https://github.com/nodejs/undici) from 6.21.2 to 7.8.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.21.2...v7.8.0)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 7.8.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -194,7 +194,7 @@
     "tap": "^21.0.0",
     "tsd": "^0.31.0",
     "typescript": "~5.8.2",
-    "undici": "^6.13.0",
+    "undici": "^7.8.0",
     "vary": "^1.1.2",
     "yup": "^1.4.0"
   },