deps(deps): bump undici, @cloudflare/vitest-pool-workers and wrangler

Bumps [undici](https://github.com/nodejs/undici) to 7.28.0 and updates ancestor dependencies [undici](https://github.com/nodejs/undici), [@cloudflare/vitest-pool-workers](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/vitest-pool-workers) and [wrangler](https://github.com/cloudflare/workers-sdk/tree/HEAD/packages/wrangler). These dependencies need to be updated together.


Updates `undici` from 7.24.8 to 7.28.0
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v7.24.8...v7.28.0)

Updates `@cloudflare/vitest-pool-workers` from 0.16.15 to 0.16.18
- [Release notes](https://github.com/cloudflare/workers-sdk/releases)
- [Changelog](https://github.com/cloudflare/workers-sdk/blob/main/packages/vitest-pool-workers/CHANGELOG.md)
- [Commits](https://github.com/cloudflare/workers-sdk/commits/@cloudflare/vitest-pool-workers@0.16.18/packages/vitest-pool-workers)

Updates `wrangler` from 4.100.0 to 4.103.0
- [Release notes](https://github.com/cloudflare/workers-sdk/releases)
- [Commits](https://github.com/cloudflare/workers-sdk/commits/wrangler@4.103.0/packages/wrangler)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 7.28.0
  dependency-type: indirect
- dependency-name: "@cloudflare/vitest-pool-workers"
  dependency-version: 0.16.18
  dependency-type: direct:development
- dependency-name: wrangler
  dependency-version: 4.103.0
  dependency-type: direct:development
...

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

package.json

@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "@cloudflare/vitest-pool-workers": "^0.16.15",
+    "@cloudflare/vitest-pool-workers": "^0.16.18",
     "@cloudflare/workers-types": "^4.20260329.1",
     "@commitlint/cli": "^21.0.2",
     "@commitlint/config-conventional": "^21.0.2",
@@ -17,7 +17,7 @@
     "simple-git-hooks": "^2.13.1",
     "typescript": "^6.0.3",
     "vitest": "^4.1.9",
-    "wrangler": "^4.76.0"
+    "wrangler": "^4.103.0"
   },
   "name": "xget",
   "license": "AGPL-3.0-or-later",