docs: fix prism theme broken link in code blocks docs

[adithyaakrishna]

Pre-flight checklist

• I have read the Contributing Guidelines on pull requests.
• If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

Found this broken link when go through code block docs

Test Plan

Replaced the broken link with the correct one

Test links

Deploy preview: https://deploy-preview-_____--docusaurus-2.netlify.app/

Related issues/PRs

[netlify]

✅ [V2]

Built without sensitive environment variables

Name	Link
🔨 Latest commit	86fefed
🔍 Latest deploy log	https://app.netlify.com/sites/docusaurus-2/deploys/6480014d9027aa00084d0ae1
😎 Deploy Preview	https://deploy-preview-9044--docusaurus-2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[github-actions]

⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	PWA	Report
/	🟢 90	🟢 97	🟢 100	🟢 100	🟠 89	Report
/docs/installation	🟠 72	🟢 100	🟢 100	🟢 100	🟠 89	Report

[slorber]

Thanks

Versioned follow-up of #8993