feat(blog): create post for v25.9.0

[github-actions]

Creates a new blog post for v25.9.0

Check this workflow's logs at https://github.com/nodejs/nodejs.org/actions/runs/23854656007.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Ready	Preview	Apr 1, 2026 2:47pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.28%. Comparing base (6deaf66) to head (6e921c5).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8788      +/-   ##
==========================================
- Coverage   75.30%   75.28%   -0.02%     
==========================================
  Files         105      105              
  Lines        9247     9247              
  Branches      328      328              
==========================================
- Hits         6963     6962       -1     
- Misses       2282     2283       +1     
  Partials        2        2              

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[github-actions]

📦 Build Size Comparison

Summary

Metric	Value
Old Total Size	3.52 MB
New Total Size	3.52 MB
Delta	173.00 B (0.00%)

Changes

➕ Added Assets (1)

Name	Size
.next/static/chunks/516ceee89d6504f6.js	209.95 KB

➖ Removed Assets (1)

Name	Size
.next/static/chunks/183c5f3d74da0f17.js	209.78 KB