Bump undici from 6.19.8 to 6.20.1 (#1534)

Bumps [undici](https://github.com/nodejs/undici) from 6.19.8 to 6.20.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.19.8...v6.20.1)

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

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

package.json

@@ -33,6 +33,6 @@
     "mocha": "^10.7.3",
     "puppeteer": "^23.7.0",
     "rimraf": "^6.0.1",
-    "undici": "^6.19.8"
+    "undici": "^6.20.1"
   }
 }