chore(deps): update actions/setup-node action to v2

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v1 -> v2

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Release Notes

actions/setup-node

### [`v2`](https://togithub.com/actions/setup-node/compare/v1...v2) [Compare Source](https://togithub.com/actions/setup-node/compare/v1...v2)

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Configuration

📅 Schedule: "after 9am and before 3pm" (UTC).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, click this checkbox.

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This PR has been generated by WhiteSource Renovate. View repository job log here.

[generated-files-bot[bot]]

Warning: This pull request is touching the following templated files:

• .github/workflows/ci.yaml - .github/workflows/ci.yaml (GitHub Actions) should be updated in synthtool

[gcf-merge-on-green[bot]]

Merge-on-green attempted to merge your PR for 6 hours, but it was not mergeable because either one of your required status checks failed, one of your required reviews was not approved, or there is a do not merge label. Learn more about your required status checks here: https://help.github.com/en/github/administering-a-repository/enabling-required-status-checks. You can remove and reapply the label to re-run the bot.

[forking-renovate[bot]]

Renovate Ignore Notification

As this PR has been closed unmerged, Renovate will ignore this upgrade and you will not receive PRs for any future 2.x releases. However, if you upgrade to 2.x manually then Renovate will reenable minor and patch updates automatically.

If this PR was closed by mistake or you changed your mind, you can simply rename this PR and you will soon get a fresh replacement PR opened.