feat(blog): create post for v26.12.0

[github-actions]

Creates a new blog post for v26.12.0

Check this workflow's logs at https://github.com/nodejs/nodejs.org/actions/runs/38588712067.

[vercel]

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Project	Deployment	Actions	Updated
nodejs-org	Ready	Preview	Oct 14, 2026 3:24pm UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.15%. Comparing base (98eab92) to head (29e7e12).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9218      +/-   ##
==========================================
+ Coverage   86.10%   86.15%   +0.04%     
==========================================
  Files          86       86              
  Lines        6075     6075              
  Branches      360      361       +1     
==========================================
+ Hits         5231     5234       +3     
+ Misses        840      837       -3     
  Partials        4        4              

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[github-actions]

📦 Build Size Comparison

Summary

Metric	Value
Old Total First Load JS	7.20 MB
New Total First Load JS	7.20 MB
Delta	680.00 B (+0.01%)

Changes

🔄 Modified Routes (4)

Route	Old First Load JS	New First Load JS	Delta
/[locale]	1.69 MB	1.69 MB	📈 170.00 B (+0.01%)
/[locale]/[...path]	1.69 MB	1.69 MB	📈 170.00 B (+0.01%)
/[locale]/blog/[...path]	1.69 MB	1.69 MB	📈 170.00 B (+0.01%)
/[locale]/download/archive/[version]	1.69 MB	1.69 MB	📈 170.00 B (+0.01%)