chore(deps): bump undici from 6.20.1 to 6.21.0 (#17578)

Bumps [undici](https://github.com/nodejs/undici) from 6.20.1 to 6.21.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.20.1...v6.21.0)

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

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

package.json

@@ -130,7 +130,7 @@
         "tsx": "4.19.2",
         "twitter-api-v2": "1.18.2",
         "ufo": "1.5.4",
-        "undici": "6.20.1",
+        "undici": "6.21.0",
         "uuid": "11.0.3",
         "winston": "3.17.0",
         "xxhash-wasm": "1.0.2",