ci: fix deprecated actions

[legobeat]

Fix job failing due to deprecated action usage

This request has been automatically failed because it uses a deprecated version of actions/upload-artifact: v2. Learn more: https://github.blog/changelog/2024-02-13-deprecation-notice-v1-and-v2-of-the-artifact-actions/

https://github.com/MetaMask/eth-block-tracker/actions/runs/11381045368

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• ci: actions/checkout@v4
• ci: actions/setup-node@v4
• ci: update actions usage
• ci: remove unused reelase-authors artifact upload