chore(deps-dev): bump undici from 5.21.0 to 5.26.2 in /packages/docs

Bumps [undici](https://github.com/nodejs/undici) from 5.21.0 to 5.26.2.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.21.0...v5.26.2)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: direct:development
...

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

packages/docs/package.json

@@ -50,7 +50,7 @@
     "tailwindcss": "3.3.1",
     "tsm": "2.3.0",
     "typescript": "5.0.3",
-    "undici": "5.21.0",
+    "undici": "5.26.2",
     "uvu": "0.5.6",
     "vite": "4.2.1",
     "wrangler": "^2.14.0"