Bump undici from 6.0.1 to 6.2.1

Bumps [undici](https://github.com/nodejs/undici) from 6.0.1 to 6.2.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.0.1...v6.2.1)

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

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

package.json

@@ -19,7 +19,7 @@
     "make-coverage-badge": "^1.2.0",
     "nock": "^13.4.0",
     "prettier": "^3.1.0",
-    "undici": "^6.0.0"
+    "undici": "^6.2.1"
   },
   "scripts": {
     "all": "npm run format && npm run lint && npm run prepare && npm run test && npm run coverage-badge",