CI upgrades

[rezrah]

Summary

Fixes and upgrades various CI workflows, some of which were failing and preventing us from accurately tracking regressions.

List of notable changes:

• Fixed failing create-react-app integration test
• Fixed failing next-js integration test
• Upgraded Playwright for VRT to use latest Docker image
• Use chromium instead of chrome for running Playwright on ARM CPUs
• Nuked and regenerated 486 (all) previous visual snapshots
• VRT now passing green all the time
• Playwright reports now correctly uploaded and downloadable
• Upgrade Node version to 20 for all workflows

What should reviewers focus on?

• Check all CI tests pass
• Review the visual diffs for any unexpected changes

Supporting resources (related issues, external links, etc):

Contributor checklist:

• All new and existing CI checks pass
• Tests prove that the feature works and covers both happy and unhappy paths
• Any drop in coverage, breaking changes or regressions have been documented above
• UI Changes contain new visual snapshots (generated by adding update snapshots label to the PR)
• All developer debugging and non-functional logging has been removed
• Related issues have been referenced in the PR description

Reviewer checklist:

• Check that pull request and proposed changes adhere to our contribution guidelines and code of conduct
• Check that tests prove the feature works and covers both happy and unhappy paths
• Check that there aren't other open Pull Requests for the same update/change

Screenshots:

Passing VRT:

Passing Next.js tests:

Playwright reports now downloadable:

[changeset-bot]

⚠️ No Changeset found

Latest commit: 343cdbe

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

🟢 No design token changes found

[github-actions]

🟢 No visual differences found

Our visual comparison tests did not find any differences in the UI.

[danielguillan]

Thanks for fixing it! 🎉