Update storescu.rst

[nbelakovski-mssm]

The docs don't reflect the actual arguments accepted by the app. The help text of the app appears to be correct.

Reference issue

N/A

Tasks

• Unit tests added that reproduce issue or prove feature is working
• Fix or feature added
• Documentation and examples updated (if relevant)
• Unit tests passing and coverage at 100% after adding fix/feature
• Type annotations updated and passing with mypy
• Apps updated and tested (if relevant)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (ca0fda1) to head (b87f244).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #960   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           28        28           
  Lines         8708      8708           
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  Hits          8708      8708