[chore]Update node to 22.21.1

[wanglam]

Description

This PR upgrades Node.js from version 20.18.3 to 22.21.1 to keep OpenSearch Dashboards aligned with the latest LTS Node.js version. The upgrade includes updating version files (.node-version, .nvmrc) and adjusting the Node.js engine requirement in package.json from <21 to <23.

To ensure compatibility with Node.js 22, several changes were made: updated stream destroy() method signatures to properly invoke callbacks as required by Node.js 22, suppressed new deprecation warnings (MODULE_TYPELESS_PACKAGE_JSON and fs.Stats constructor), updated test snapshots to account for Node.js 22 output changes, and added ch to Mocha's global variables whitelist. All existing tests pass with the new Node.js version.

Issues Resolved

A part of #11080

Changelog

• chore: [chore]Update node to 22.21.1

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.37%. Comparing base (f5266df) to head (c8fe154).

Additional details and impacted files

@@                    Coverage Diff                     @@
##           feature/node-22-webpack-5   #11126   +/-   ##
==========================================================
  Coverage                      60.36%   60.37%           
==========================================================
  Files                           4591     4591           
  Lines                         126396   126397    +1     
  Branches                       21183    21183           
==========================================================
+ Hits                           76295    76307   +12     
+ Misses                         44687    44675   -12     
- Partials                        5414     5415    +1     

Flag	Coverage Δ
Linux_1	26.36% <100.00%> (+<0.01%)	⬆️
Linux_2	38.27% <0.00%> (ø)
Linux_3	39.80% <ø> (-0.01%)	⬇️
Linux_4	33.31% <ø> (ø)
Windows_1	26.38% <100.00%> (+0.01%)	⬆️
Windows_2	38.25% <0.00%> (ø)
Windows_3	39.81% <ø> (ø)
Windows_4	33.31% <ø> (ø)

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