feat(PAYINS-504): Set Authorization header to GET v3/payments-providers/{id}

[tl-facundo-aita]

The endpoint now requires Authorization header.
The client_id query parameter is not needed anymore as it is fetched from the token's claims.

[swarmia]

✅  Linked to Story PAYINS-504 · Update TL libraries so they set the Authorization header for GET payments-providers/{id}