Chore: update Node.js to v20.15.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
node (source)	volta	patch	20.15.0 -> 20.15.1

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Release Notes

nodejs/node (node)

v20.15.1

Compare Source

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Configuration

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🚦 Automerge: Enabled.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.11%. Comparing base (777b4d9) to head (cca4768).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1216      +/-   ##
==========================================
+ Coverage   92.86%   93.11%   +0.24%     
==========================================
  Files         105      105              
  Lines        6518     6518              
  Branches     1536     1543       +7     
==========================================
+ Hits         6053     6069      +16     
+ Misses        441      426      -15     
+ Partials       24       23       -1     

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[github-actions]

🧪 Branch testing instructions

This pull request has been merged, its base branch can be tested locally with the following command:

npm exec --yes -- "github:emmercm/igir#main" [commands..] [options]

Comment generated by the Node.js Branch Exec workflow.