Bump undici from 6.20.0 to 6.20.1 (#419)

Bumps [undici](https://github.com/nodejs/undici) from 6.20.0 to 6.20.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.20.0...v6.20.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -38,7 +38,7 @@
         "ts-jest": "28.0.8",
         "typescript": "5.6.3",
         "typescript-eslint": "^8.9.0",
-        "undici": "6.20.0",
+        "undici": "6.20.1",
         "wrangler": "3.80.4"
     }
 }