Add uuid4 to CS package_listing response serializer

[Oksamies]

• #1019 👈
• master

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.95%. Comparing base (e0ab3ee) to head (de74a2f). Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1019 +/- ## ======================================= Coverage 92.95% 92.95% ======================================= Files 314 314 Lines 9070 9071 +1 Branches 806 806 ======================================= + Hits 8431 8432 +1 Misses 530 530 Partials 109 109 ```

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