feat!: drop support for node <20.9

[bjohansebas]

Summary

What kind of change does this PR introduce?

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Does this PR introduce a breaking change?

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.56%. Comparing base (09bdda5) to head (8b50592).
⚠️ Report is 1 commits behind head on next.

Additional details and impacted files

@@           Coverage Diff           @@
##             next    #5631   +/-   ##
=======================================
  Coverage   83.56%   83.56%           
=======================================
  Files          13       13           
  Lines        2050     2050           
  Branches      755      756    +1     
=======================================
  Hits         1713     1713           
  Misses        303      303           
  Partials       34       34           

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