chore(deps): update Node.js version and action versions in workflow

[NotReallyEight]

What this PR does:

• Update various GH Actions versions to the latest respective versions;
• Update the workflows' Node.js version to v24.

[cloudflare-workers-and-pages]

Deploying portfolio with    Cloudflare Pages

Latest commit:	8a26c3c
Status:	✅  Deploy successful!
Preview URL:	https://6bd14b42.portfolio-8ja.pages.dev
Branch Preview URL:	https://deps-update-actions-versions.portfolio-8ja.pages.dev

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[Copilot]

Pull request overview

This PR attempts to update the GitHub Actions workflow to use newer versions of Node.js and various GitHub Actions. However, all the specified versions are non-existent as of January 2025, which will cause the workflow to fail.

Key Changes:

• Update Node.js version from 22.x to 24.x
• Update actions/cache from v4 to v5
• Update actions/checkout from v4 to v6
• Update actions/setup-node from v4 to v6

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[NotReallyEight]

Pull request overview

This PR attempts to update the GitHub Actions workflow to use newer versions of Node.js and various GitHub Actions. However, all the specified versions are non-existent as of January 2025, which will cause the workflow to fail.

Key Changes:

* Update Node.js version from 22.x to 24.x

* Update actions/cache from v4 to v5

* Update actions/checkout from v4 to v6

* Update actions/setup-node from v4 to v6

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a lil bit outdated