build: update node and npm engines versions

[nextcloud-command]

Automated update of the npm and node engines versions according to Nextcloud standards.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.16%. Comparing base (217ab77) to head (72c6f8a).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #966   +/-   ##
=======================================
  Coverage   85.16%   85.16%           
=======================================
  Files          30       30           
  Lines        1247     1247           
  Branches      208      208           
=======================================
  Hits         1062     1062           
  Misses        185      185           

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