chore: Migrate back to chrome for CI tests

[arkirchner]

Chrome seems to reliably execute the system test again.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.76%. Comparing base (6db8c64) to head (94bd870).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2105   +/-   ##
=======================================
  Coverage   94.76%   94.76%           
=======================================
  Files         134      134           
  Lines        3421     3421           
=======================================
  Hits         3242     3242           
  Misses        179      179           

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[christophblessing]

I assume this follows the same approach as openHPI/codeocean#3067 (comment).