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 11.10%. Comparing base (cf7cbec) to head (aa06ae3).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #4852   +/-   ##
=========================================
  Coverage     11.10%   11.10%           
  Complexity      295      295           
=========================================
  Files           127      127           
  Lines          6563     6563           
  Branches       1194     1194           
=========================================
  Hits            729      729           
  Misses         5711     5711           
  Partials        123      123           

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