Fix channel is undefined bug

[JordanMartinez]

Description of the change

Fixes this issue:

file:///.../output/Node.Process/foreign.js:7
export const channelRefImpl = process.channel.ref ? () => process.channel.ref() : null;
                                              ^

TypeError: Cannot read properties of undefined (reading 'ref')

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Checklist:

• Added the change to the changelog's "Unreleased" section with a reference to this PR (e.g. "- Made a change (#0000)")
• Linked any existing issues or proposals that this pull request should close
• Updated or added relevant documentation
• Added a test for the contribution (if applicable)