Add missing command description for scheduler run

[dereuromark]

Summary

• Adds missing description for the scheduler run command so it appears in the CLI command listing.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.88%. Comparing base (c417a2a) to head (e561789).
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Additional details and impacted files

@@             Coverage Diff              @@
##             master      #13      +/-   ##
============================================
- Coverage     76.94%   76.88%   -0.06%     
  Complexity      144      144              
============================================
  Files            11       11              
  Lines           412      411       -1     
============================================
- Hits            317      316       -1     
  Misses           95       95              

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