feat(blog): create post for v26.0.0

[github-actions]

Creates a new blog post for v26.0.0

Check this workflow's logs at https://github.com/nodejs/nodejs.org/actions/runs/25382337578.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Ready	Preview	May 5, 2026 2:27pm

[cursor]

PR Summary

Low Risk
Low risk documentation-only change that adds a new markdown release post; no application logic or runtime behavior is modified.

Overview
Publishes a new release blog post apps/site/pages/en/blog/release/v26.0.0.md for Node.js 26.0.0 (Current), including notable highlights (Temporal enabled by default, V8 14.6, Undici 8) and a curated list of semver-major/minor/patch commits plus deprecations/removals.

Includes the standard distribution download links and embedded SHASUMS/PGP-signed checksum block for the 26.0.0 artifacts.

^{Reviewed by Cursor Bugbot for commit c68911c. 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 (00429ae) to head (c68911c).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8876      +/-   ##
==========================================
- Coverage   73.24%   73.23%   -0.02%     
==========================================
  Files         102      102              
  Lines        8623     8623              
  Branches      313      313              
==========================================
- Hits         6316     6315       -1     
- Misses       2306     2307       +1     
  Partials        1        1              

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[Copilot]

Pull request overview

Adds the Node.js website release blog post for the Node.js v26.0.0 (Current) release, including highlights, notable changes, download links, and signed SHASUMS.

Changes:

• Introduces a new release post with a short narrative summary and “Notable Changes” sections (Temporal, V8 14.6, Undici 8, deprecations/removals).
• Includes categorized commit lists (Semver-Major/Minor/Patch).
• Adds standard download links plus the PGP-signed SHASUMS block.

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