Apply PRR feedback

[isacikgoz]

Summary

This PR addresses the non-blocking feedback received from the PRR:

Included:

• Adds codeql analysis.
• Update node version in .nvmrc.
• Limit the build to only Linux as linux_amd64 and linux_arm64.
• Fixes a type at config.json where desginated should bedesignated.

Not included:

• I'll update the default branch to main instead of master after this PR goes in.
• The min server requirement should be v6.3, that's accurate.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 11.15%. Comparing base (d433977) to head (c444cf7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #19   +/-   ##
=======================================
  Coverage   11.15%   11.15%           
=======================================
  Files           9        9           
  Lines         789      789           
=======================================
  Hits           88       88           
  Misses        686      686           
  Partials       15       15           

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[saturninoabril]

Thanks @isacikgoz!

(needs to look at the failing job)