chore(deps): bump undici from 6.24.0 to 6.28.1 in /packages/http-client

Bumps [undici](https://github.com/nodejs/undici) from 6.24.0 to 6.28.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v6.24.0...v6.28.1)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 6.28.1
  dependency-type: direct:production
...

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

package-lock.json

@@ -232,9 +232,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.24.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.24.0.tgz",
-      "integrity": "sha512-lVLNosgqo5EkGqh5XUDhGfsMSoO8K0BAN0TyJLvwNRSl4xWGZlCVYsAIpa/OpA3TvmnM01GWcoKmc3ZWo5wKKA==",
+      "version": "6.28.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.28.1.tgz",
+      "integrity": "sha512-zWpdTVD54H48CIybL0rWQ3ukpb9d23wM7eH5RtfdmeP70cWHNjtfo7P4vZX+5CoDcO53J4Pu5uXp7lNfjc6DRA==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"