[BACKEND] Extend authorized PostgreSQL database URI

[jacquesfize]

resolves #2947

Source: https://regex101.com/r/iZiUrJ/2

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.44%. Comparing base (6bc950c) to head (98c4583).
Report is 9 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2952   +/-   ##
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  Coverage    78.44%   78.44%           
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  Files           89       89           
  Lines         7199     7199           
========================================
  Hits          5647     5647           
  Misses        1552     1552           

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[TheoLechemia]

Je sais pas si ça vaut le coup de les supporter, mais cette URI (fourni dans les exemple de PG) : postgresql://host1:123,host2:456/somedb?target_session_attrs=any&application_name=myapp
ne passe pas la validation.
Pour les services, niquel

[jacquesfize]

Le problème vient de sqlalchemy qui ne prend pas encore en compte ce genre d'URL :/ sqlalchemy/sqlalchemy#4392