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 45.96%. Comparing base (9d98aab) to head (a159658).
⚠️ Report is 62 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7893   +/-   ##
=======================================
  Coverage   45.96%   45.96%           
=======================================
  Files         141      141           
  Lines        3964     3964           
  Branches      747      747           
=======================================
  Hits         1822     1822           
  Misses       1838     1838           
  Partials      304      304           

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