chore: more granular nvmrc, bump PW and currents

[dominikvagner]

Summary

Makes the .nvmrc file more granular to prevent breakages by unexpected node updates.
Bumps Playwright and Currents PW reporter to new version that work together.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.58%. Comparing base (16b8e0f) to head (7a8b0aa).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1635   +/-   ##
=======================================
  Coverage   77.58%   77.58%           
=======================================
  Files         103      103           
  Lines        3266     3266           
  Branches      733      729    -4     
=======================================
  Hits         2534     2534           
  Misses        655      655           
  Partials       77       77           

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