Add configuration to test with models available throw Albert API

[mborne]

https://ia.numerique.gouv.fr/outils-ia/albert-api/

Note : the method used with onyxia should work ( https://guides.ia.numerique.gouv.fr/albert-api#compatibilite-openai )

Resources : https://ia.numerique.gouv.fr/outils-ia/albert-api/tarifs-et-limites/

[mborne]

Ready on branch 35-albert

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