chore: use testbench snapshot in main

[taefi]

Depends on vaadin/testbench#1795

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.11%. Comparing base (8f142a3) to head (9a74331).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2436   +/-   ##
=======================================
  Coverage   95.11%   95.11%           
=======================================
  Files          66       66           
  Lines        4507     4507           
  Branches      645      645           
=======================================
  Hits         4287     4287           
  Misses        179      179           
  Partials       41       41           

Flag	Coverage Δ
unittests	95.11% <ø> (ø)

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