chore: ROOT-224: mark storage list project param required

[jombooth]

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Please ensure that all linked upstream Pull Requests are merged before proceeding with this one.

• chore: ROOT-224: mark storage list project param required label-studio-sdk#655

Param should be marked required for all import+export list endpoints in the SDK. Example after this change:

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[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.82%. Comparing base (579f7dc) to head (e4d6d61).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
label_studio/io_storages/api.py	50.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8708       +/-   ##
============================================
+ Coverage    61.39%   79.82%   +18.43%     
============================================
  Files          790      239      -551     
  Lines        60671    21684    -38987     
  Branches     10310        0    -10310     
============================================
- Hits         37246    17310    -19936     
+ Misses       23422     4374    -19048     
+ Partials         3        0        -3     

Flag	Coverage Δ
lsf-integration	?
lsf-unit	?
pytests	79.82% <50.00%> (-0.02%)	⬇️

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[jombooth]

/git merge develop

Workflow run
Successfully merged: create mode 100644 label_studio/projects/tests/test_soft_delete_manager.py

[jombooth]

/git merge develop

Workflow run
Successfully merged: 9 files changed, 13 insertions(+), 13 deletions(-)