fix: Add back repository field in Package struct

[jBouyoud]

Hi,

As mentioned in the previous reply, the Repository field was mistakenly removed in Package strcuture.

This PR aims to reintroduce it.

cc @gmlewis

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.29%. Comparing base (3a3f51b) to head (b2797a6).
Report is 1 commits behind head on master.

Additional details and impacted files

@@ Coverage Diff @@## master #3539 +/- ##
=======================================
Coverage 91.29% 91.29% =======================================
Files 184 184 Lines 16169 16169 =======================================
Hits 14762 14762 Misses 1231 1231 Partials 176 176 

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[gmlewis]

Thank you, @jBouyoud!
LGTM.
Merging.