Chore: use `node:` prefix on node dependencies

[stramel]

Updates node dependencies to use the node: prefix.

Benefits:

• More explicit protocol makes it more readable and also makes it clear that a built-in module is being imported. Since there are a lot of built-in ones, this extra information is useful for beginners or for someone who might not know about one of them.
• It reduces the risk of a module present in node_modules overriding the newer imports.

Supported in Node.js starting:

• v16.0.0, v14.18.0 (ESM import and CommonJS require())
• v14.13.1, v12.20.0 (only ESM import)

Supported in TypeScript by the latest versions of @types/node.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: fc1b0ec6b16ba07a67c1e37d66a345cb856ab5e0

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

This PR includes changesets to release 2 packages

| Name | Type | | ---------- | ----- | | astro-icon | Patch | | www | Patch |

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