Bump undici from 6.19.7 to 6.21.1 (#232)

Bumps [undici](https://github.com/nodejs/undici) from 6.19.7 to 6.21.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.19.7...v6.21.1)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
...

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

yarn.lock

@@ -20333,9 +20333,9 @@ __metadata:
   linkType: hard
 
 "undici@npm:^6.19.5":
-  version: 6.19.7
-  resolution: "undici@npm:6.19.7"
-  checksum: 10c0/801d1e66d5bccdd3fcc9ecf1c95b83a593e4867b89e21ed725e35bd4d572b3d3ce1d7feab2a4f2046f65923de70bfafb69ac148c633d1ab30a948d6fec24475a
+  version: 6.21.1
+  resolution: "undici@npm:6.21.1"
+  checksum: 10c0/d604080e4f8db89b35a63b483b5f96a5f8b19ec9f716e934639345449405809d2997e1dd7212d67048f210e54534143384d712bd9075e4394f0788895ef9ca8e
   languageName: node
   linkType: hard