feat(blog): create post for v22.22.3

[github-actions]

Creates a new blog post for v22.22.3

Check this workflow's logs at https://github.com/nodejs/nodejs.org/actions/runs/25819298817.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Ready	Preview	May 13, 2026 6:46pm

[cursor]

PR Summary

Low Risk
Low risk: adds a new release-notes markdown page only, with no runtime code or configuration changes.

Overview
Adds a new release blog post v22.22.3.md for Node.js 22.22.3 (LTS), including the curated commit list, download links for all supported artifacts, and the signed SHASUMS block for verification.

^{Reviewed by Cursor Bugbot for commit 714953e. Bugbot is set up for automated code reviews on this repo. Configure here.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.23%. Comparing base (125b760) to head (714953e).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8890   +/-   ##
=======================================
  Coverage   73.23%   73.23%           
=======================================
  Files         102      102           
  Lines        8623     8623           
  Branches      313      313           
=======================================
  Hits         6315     6315           
  Misses       2307     2307           
  Partials        1        1           

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[Copilot]

Pull request overview

Adds the Node.js v22.22.3 (LTS) release blog post to the website, following the existing release-post format used under apps/site/pages/en/blog/release/.

Changes:

• Introduces a new release post for Node.js 22.22.3 with the commit list, download links, and SHASUMS signature block.
• Sets frontmatter metadata (date/category/title/layout/author) for correct rendering and indexing.

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