build(deps): bump undici in /.github/actions/compute-sdk-test

Bumps [undici](https://github.com/nodejs/undici) from 5.21.0 to 5.21.2.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.21.0...v5.21.2)

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

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

.github/actions/compute-sdk-test/package.json

@@ -14,7 +14,7 @@
     "better-logging": "^5.0.0",
     "chalk": "^5.2.0",
     "is-port-reachable": "^4.0.0",
-    "undici": "^5.21.0"
+    "undici": "^5.21.2"
   },
   "devDependencies": {
     "@vercel/ncc": "^0.36.0"