docs: GitHub actions deployment should use fetch-depth: 0 + actions upgrades

[slorber]

Motivation

Not having fetch-depth: 0 will lead to a bad "docs last update" date being rendered.

Also upgrading documented actions to newer versions

Fix #2798

https://deploy-preview-9759--docusaurus-2.netlify.app/docs/deployment#triggering-deployment-with-github-actions

[netlify]

✅ [V2]

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[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	PWA	Report
/	🔴 43	🟢 98	🟢 100	🟢 100	🟠 89	Report
/docs/installation	🟠 85	🟢 98	🟢 100	🟢 100	🟠 89	Report
/docs/category/getting-started	🟠 75	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog	🟠 68	🟢 100	🟢 100	🟢 90	🟠 89	Report
/blog/preparing-your-site-for-docusaurus-v3	🟠 62	🟢 97	🟢 100	🟢 100	🟠 89	Report
/blog/tags/release	🟠 70	🟢 100	🟢 100	🟠 80	🟠 89	Report
/blog/tags	🟠 76	🟢 100	🟢 100	🟢 90	🟠 89	Report

[github-actions]

Size Change: 0 B

Total Size: 985 kB

ℹ️ View Unchanged

Filename	Size
website/.docusaurus/globalData.json	75 kB
website/build/assets/css/styles.********.css	114 kB
website/build/assets/js/main.********.js	758 kB
website/build/index.html	37.9 kB

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