Replace cypress tests with playwright tests

[minkyngkm]

Done

• Removed all cypress tests and cypress dependences
• Wrote certified.spec.ts with playwright to replace certified_spec.js written with cypress test.
• Wrote a11y.spect.ts with playwright to replace a11y_spec.js written with cypress test.
• Created pro folder in /tests/playwright/tests, moved checkout.spec.ts and a11y.spec.ts to the pro folder, disabled tests in pro folder running.

Fixes https://warthogs.atlassian.net/browse/WD-8876

[webteam-app]

Demo starting at https://ubuntu-com-13571.demos.haus

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a9058fa) 74.41% compared to head (f051915) 74.41%.
Report is 38 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13571   +/-   ##
=======================================
  Coverage   74.41%   74.41%           
=======================================
  Files         107      107           
  Lines        2838     2838           
  Branches      946      946           
=======================================
  Hits         2112     2112           
  Misses        702      702           
  Partials       24       24