meta: bump nvm to v0.40.5

[ljharb]

Updates the English nvm install snippet to v0.40.5. The translation system handles other locales.

Ref: #8628

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodejs-org	Ready	Preview	Jun 4, 2026 9:49pm

[cursor]

PR Summary

Low Risk
Single-line documentation/snippet version bump with no application logic or security surface changes.

Overview
Bumps the nvm install script URL in the English download snippet from v0.40.4 to v0.40.5 so site visitors pull the latest nvm release when following install instructions.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.29%. Comparing base (6e5fd62) to head (81a5e17).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8950      +/-   ##
==========================================
+ Coverage   73.28%   73.29%   +0.01%     
==========================================
  Files         102      102              
  Lines        8640     8640              
  Branches      315      315              
==========================================
+ Hits         6332     6333       +1     
+ Misses       2307     2306       -1     
  Partials        1        1              

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[Copilot]

Pull request overview

Updates the English nvm installation snippet used by the site download instructions to reference the latest nvm release tag, ensuring users install the intended nvm version.

Changes:

• Bump the nvm install script URL from v0.40.4 to v0.40.5 in the English snippet.

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