Revert "Bump actions/setup-node from 4 to 5"

[acicovic]

Reverts #3659, to see whether it's related to a build issue we're experiencing in the develop branch.

Summary by CodeRabbit

• Chores
  • Updated continuous integration workflows to use a different Node.js setup action across build, end-to-end tests, and Node pipelines.
  • Build steps and test execution remain unchanged; this aligns the environment configuration without affecting functionality.
  • No user-facing changes; application behavior and features are unaffected.

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

Updates three GitHub Actions workflows to use actions/setup-node v4/v4.1.0 instead of v5 in their Node.js setup steps; all other steps and inputs remain unchanged.

Changes

Cohort / File(s)	Summary
GitHub Actions workflows: setup-node version pin \.github/workflows/build-plugin.yml, \.github/workflows/e2e-tests.yml, \.github/workflows/node.js.yml	Downgrade Node.js setup step from actions/setup-node@v5 to actions/setup-node@v4 or @v4.1.0; inputs (node-version, cache) and surrounding steps unchanged.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• Update testing workflows #3276 — Also changes actions/setup-node usage in a GitHub Actions workflow, aligning CI configuration around Node setup.

Suggested labels

Maintenance

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📜 Recent review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 494dbea and 75d1453.

📒 Files selected for processing (3)

• .github/workflows/build-plugin.yml (1 hunks)
• .github/workflows/e2e-tests.yml (1 hunks)
• .github/workflows/node.js.yml (1 hunks)

✨ Finishing Touches

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch revert-3659-dependabot/github_actions/actions/setup-node-5

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