chore(deps): update GitHub action versions for node20 compatibility

[MikeMcC399]

PR Checklist:

• [x] I have run npm test locally and all tests are passing.
• [ ] I have added/updated tests for any new behavior.
• [ ] If this is a significant change, an issue has already been created where the problem / solution was discussed: [N/A]

PR Description

This PR updates workflows/yarn.yaml to:

• actions/checkout@v4
• actions/setup-node@v4

for compatibility with node20.

GitHub already announced the deprecation of node16 in their blog GitHub Actions: Transitioning from Node 16 to Node 20 on Sep 22, 2023.

[cypress-app-bot]

• Create a Draft Pull Request if your PR is not ready for review. Mark the PR as Ready for Review when you're ready for a Cypress team member to review the PR.

[cypress-app-bot]

:tada: This PR is included in version 3.0.2 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: