Add scrublet reproducer

[ilan-gold]

• Closes Broken Scrublet Test #3068
• Tests included or not required because:

• Release notes not necessary because:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.63%. Comparing base (c6766d7) to head (19989bc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3069   +/-   ##
=======================================
  Coverage   76.63%   76.63%           
=======================================
  Files         109      109           
  Lines       12533    12533           
=======================================
  Hits         9605     9605           
  Misses       2928     2928           

[flying-sheep]

hmm, we could just make the upload conditional to the file existing and merge this into main. Then we can debug things as soon as the problem occurs somewhere, and finally undo this PR when commiting the actual fix

[ilan-gold]

TODO: creation of zarr store conditional on failed test, and then do the upload conditional on file existence