Skip loading reflists when listing published repos

[neolynx]

Replaces #1227

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Loading the reflists to list publish information takes a significant amount of time, even though the resulting info doesn't actually use any of the reflists.

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[codecov]

Codecov Report

Attention: Patch coverage is 73.68421% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 74.79%. Comparing base (27013c0) to head (1325f7b).

Files	Patch %	Lines
deb/publish.go	70.58%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1274   +/-   ##
=======================================
  Coverage   74.78%   74.79%           
=======================================
  Files         144      144           
  Lines       16246    16256   +10     
=======================================
+ Hits        12150    12158    +8     
- Misses       3154     3156    +2     
  Partials      942      942           

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