Error when upgrading from 2.7.0 to 2.8.0: Token retrieval failure

[amine-betari]

Hi All,

We encountered an error after upgrading the league/oauth2-client library from version 2.7.0 to version 2.8.0. The error occurs when running a command that interacts with a third-party service to retrieve a token.

Steps to reproduce:

• Use version 2.8.0 of the library.
• Execute a request to a third-party service to retrieve a token using the following method:

With version 2.7.0, the command works correctly and retrieves a valid token.

Actual behavior:
Starting from version 2.8.0, the described error is triggered.