Add ResourcesPackaging README and update dependencies

[sebsto]

Two small housekeeping changes:

• Added a README for the ResourcesPackaging example explaining how to use Swift package resources with Lambda.
• Updated dependency versions in Package.swift to avoid CI errors on current toolchains.

[Copilot]

Pull request overview

Adds documentation for the ResourcesPackaging example and refreshes root package dependency minimum versions.

Changes:

• Bumped Swift package dependency versions in the root manifest.
• Added a README for the ResourcesPackaging example.
• Added ResourcesPackaging to the examples index.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
Package.swift	Updates minimum versions for NIO, swift-log, swift-collections, and service-lifecycle.
Examples/ResourcesPackaging/README.md	Documents local testing, packaging, deployment, invocation, and cleanup for the resource-bundling example.
Examples/README.md	Adds ResourcesPackaging to the examples list.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.