Upgrade the fundamental of the github-actions package and its get-release-notes, prepare-node, and update-version-tags actions to use Node.js v20

[eason9487]

Changes proposed in this Pull Request:

Part of #108

This PR:

• Bump dependencies and regenerate package-lock.json for the package github-actions with Node.js v20.
• Set minimum support for Node.js to ">=18", which aligns with the dependencies' minimum ([email protected]).
• Simplify the rollup config.
• Add the 'node:' prefix to explicitly indicate it requires a Node.js core module.
• Upgrade the workflows related to release processing in GitHub Actions to use Node.js v20.
• Upgrade the related actions of the github-actions package to use Node.js v20.
  • Upgrade the get-release-notes action.
  • Upgrade the prepare-node action.
  • Upgrade the update-version-tags action.

💡 Other actions will be upgraded in subsequent PRs.
💡 The <repo_directory>/.nvmrc and other GitHub Actions workflows will be updated in a separate PR.

Detailed test instructions:

This PR involves the release processing of the github-actions package. It can only be verified after merging it to trunk. Therefore, I tested it with a forked repo.

1. View the merged PR that has the same commits as this PR.
   • Test: Upgrade the base of the package github-actions to use Node.js v20 eason9487/grow#14
2. View the workflow that prepares the PR for releasing version 2.0.0 of the github-actions package.
   • https://github.com/eason9487/grow/actions/runs/8782217436
   • Release version 2.0.0 of the github-actions package eason9487/grow#15
3. View the workflow that publish the new release after approving the release PR.
   • https://github.com/eason9487/grow/actions/runs/8782233763
   • https://github.com/eason9487/grow/releases/tag/actions-v2.0.0
4. View the workflow that creates the build for v2.0.0 and updates tags.
   • https://github.com/eason9487/grow/actions/runs/8782239090
5. View the Tags page. The actions-v2, actions-v2.0, and actions-v2.0.0 tags were created and pointed to the same revision. The actions-v1 and actions-v1.* tags were not changed.
   • https://github.com/eason9487/grow/tags
     
6. The related workflows don't get the warnings about deprecated Node.js
   

[martynmjones]

Hey @eason9487, thanks for the updates 🙌

The changes all look good and can't see any issue with the actions in your forked repo. Left one comment for my own clarification but it's not a blocker so LGTM ✅