feat(blog): create post for v26.2.0

[github-actions]

Creates a new blog post for v26.2.0

Check this workflow's logs at https://github.com/nodejs/nodejs.org/actions/runs/26164307183.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Ready	Preview	May 20, 2026 1:04pm

[cursor]

PR Summary

Low Risk
Adds a new markdown release post only; no runtime or build logic changes, so risk is limited to content/link correctness.

Overview
Adds a new release blog post, apps/site/pages/en/blog/release/v26.2.0.md, publishing the Node.js v26.2.0 (Current) announcement with notable changes, full commit list, download links, and signed SHASUMS block.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.26%. Comparing base (2062324) to head (7417049).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8908      +/-   ##
==========================================
+ Coverage   73.24%   73.26%   +0.01%     
==========================================
  Files         102      102              
  Lines        8628     8628              
  Branches      313      313              
==========================================
+ Hits         6320     6321       +1     
+ Misses       2307     2306       -1     
  Partials        1        1              

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