feat: add Nutri-Score % of fruits / vegetables / nuts / legumes from GS1

[stephanegigandet]

GS1 has added support for some fields that are necessary to compute the Nutri-Score, like adding the % of fruits / vegetables / legumes. We do get some of those from some producers (e.g Bonduelle, but for the old Nutri-Score fields it seems).

This PR adds some support + some comments and links in the code.

There are more fields we could add (which category should be used for the Nutri-Score: fats, nuts etc.). But so far I have not seen it in the data we receive yet.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.56%. Comparing base (92d859c) to head (fcfa811).
Report is 2 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

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  Coverage   50.56%   50.56%           
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  Files          84       84           
  Lines       22920    22920           
  Branches     5509     5509           
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  Hits        11589    11589           
  Misses       9917     9917           
  Partials     1414     1414           

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[stephanegigandet]

New fields in GS1 data model:

https://navigator.gs1.org/gdsn/class-details?name=NutritionalProgramIngredientTypeCode&version=12

As of 2025/06/01, the nutritionalProgramIngredients values seem to refer to the old Nutri-Score formula
There seems to be new fields for the new formula:

https://www.gs1.nl/kennisbank/gs1-data-source/levensmiddelen-drogisterij/welke-data/nutri-score/ (in Dutch)

[hangy]

/update_tests_results

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud