Use ClientId instead of app id in JWT token

[tspascoal]

Use the client id instead of application id when minting a JWT Token

see:

• https://github.blog/changelog/2024-05-01-github-apps-can-now-use-the-client-id-to-fetch-installation-tokens/
• https://github.blog/changelog/2024-08-23-client-ids-are-now-included-in-app-api-responses/

Should refactor the code to use the client if from the payload instead of using the configuration?