chore(ci): fix setup-node, use LTS by default

[slorber]

Motivation

• fix continous-release not using setup-node, using Node 18 instead of Node 22
• consistently use lts everywhere when we don't care
• e2e matrix: restore usage of node 22 instead of 22.4 (due to 22.5.0 bug)

Test Plan

CI

Test links

https://deploy-preview-10438--docusaurus-2.netlify.app/

[netlify]

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[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	Report
/	🟠 64	🟢 98	🟢 96	🟢 100	Report
/docs/installation	🟠 53	🟢 97	🟢 100	🟢 100	Report
/docs/category/getting-started	🟠 75	🟢 100	🟢 100	🟠 86	Report
/blog	🟠 69	🟢 96	🟢 100	🟠 86	Report
/blog/preparing-your-site-for-docusaurus-v3	🔴 48	🟢 92	🟢 100	🟢 100	Report
/blog/tags/release	🟠 71	🟢 96	🟢 100	🟠 86	Report
/blog/tags	🟠 73	🟢 100	🟢 100	🟠 86	Report