fleetctl: update package command output

[jacobshandling]

For #26489

• Changes file added for user-visible changes in `changes/
• A detailed QA plan exists on the associated ticket (if it isn't there, work with the product group's QA engineer to add it)
• Manual QA for all new/changed functionality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.85%. Comparing base (8bab38b) to head (7ad2525).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #26500   +/-   ##
=======================================
  Coverage   63.85%   63.85%           
=======================================
  Files        1661     1661           
  Lines      159221   159224    +3     
  Branches     4145     4145           
=======================================
+ Hits       101671   101677    +6     
+ Misses      49613    49608    -5     
- Partials     7937     7939    +2     

Flag	Coverage Δ
backend	64.69% <100.00%> (+<0.01%)	⬆️

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