chore: bump undici to 5.28.4

[petebacondarwin]

What this PR solves / how to test

bump undici to 5.28.4 for create-cloudflare and cli packages

Author has addressed the following

• Tests
  • TODO (before merge)
  • Included
  • Not necessary because: dependency bump is covered by current tests
• E2E Tests CI Job required? (Use "e2e" label or ask maintainer to run separately)
  • I don't know
  • Required / Maybe required
  • Not required because:
• Changeset (Changeset guidelines)
  • TODO (before merge)
  • Included
  • Not necessary because:
• Public documentation
  • TODO (before merge)
  • Cloudflare docs PR(s): https://github.com/cloudflare/cloudflare-docs/pull/...
  • Not necessary because: internal dependency bump

[changeset-bot]

🦋 Changeset detected

Latest commit: 33c216b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
create-cloudflare	Patch

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[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-wrangler-5855

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/5855/npm-package-wrangler-5855

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-wrangler-5855 dev path/to/script.js

Additional artifacts:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-create-cloudflare-5855 --no-auto-update

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-cloudflare-kv-asset-handler-5855

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-miniflare-5855

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-cloudflare-pages-shared-5855

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/9111025085/npm-package-cloudflare-vitest-pool-workers-5855

Note that these links will no longer work once the GitHub Actions artifact expires.

---

wrangler@3.56.0 includes the following runtime dependencies:

Package	Constraint	Resolved
miniflare	workspace:*	3.20240512.0
workerd	1.20240512.0	1.20240512.0
workerd --version	1.20240512.0	2024-05-12

Please ensure constraints are pinned, and miniflare/workerd minor versions match.