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[bot]]

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 :warning:

Additional details and impacted files

```diff @@ 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 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.