Update node to v24

[mdjastrzebski]

Summary

Updates the Node.js version across the repository to v24. This includes updating .nvmrc, the engines field in package.json, and the specified Node.js version in GitHub Actions workflows to align with the latest LTS release.

Test plan

1. Verify .nvmrc is set to 24.
2. Verify package.json engines.node is >=24.
3. Verify .github/workflows/example-apps.yml uses node-version: 24.
4. Run CI/CD pipelines to ensure all checks pass with Node.js v24.
5. Locally, run nvm use and then yarn install and yarn test to confirm compatibility.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.34%. Comparing base (203bac9) to head (dc48b08).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #1791    +/-   ##
========================================
  Coverage   95.34%   95.34%            
========================================
  Files          94       94            
  Lines        5244     5244            
  Branches      573      893   +320     
========================================
  Hits         5000     5000            
  Misses        244      244            

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