chore(deps): update actions/setup-node action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v3 -> v4

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Release Notes

actions/setup-node (actions/setup-node)

### [`v4`](https://togithub.com/actions/setup-node/compare/v3...v4) [Compare Source](https://togithub.com/actions/setup-node/compare/v3...v4)

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[github-actions[bot]]

Coverage from tests in ./e2e_test/... for ./consensus/istanbul/... at commit b5b37abc92131e12f746ce061694e98236862dc5

coverage: 49.0% of statements across all listed packages

coverage:  63.0% of statements in consensus/istanbul
coverage:  40.1% of statements in consensus/istanbul/announce
coverage:  54.6% of statements in consensus/istanbul/backend
coverage:   0.0% of statements in consensus/istanbul/backend/backendtest
coverage:  24.3% of statements in consensus/istanbul/backend/internal/replica
coverage:  61.5% of statements in consensus/istanbul/core
coverage:  45.0% of statements in consensus/istanbul/db
coverage:   0.0% of statements in consensus/istanbul/proxy
coverage:  64.2% of statements in consensus/istanbul/uptime
coverage:  51.8% of statements in consensus/istanbul/validator
coverage:  79.2% of statements in consensus/istanbul/validator/random

[github-actions[bot]]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4302ebf) 55.04% compared to head (2bb74aa) 55.13%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2226 +/- ## ========================================== + Coverage 55.04% 55.13% +0.08% ========================================== Files 683 683 Lines 114533 114533 ========================================== + Hits 63050 63153 +103 + Misses 47586 47488 -98 + Partials 3897 3892 -5 ```

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