Ensure to pass-trough options to TokenProvider

[frederikprijck]

Changes

This PR ensures we pass options to the token provider, such as a custom fetch.

This also removes the disabling of the cache, which was internal only and shouldn't affect our consumers.

References

937

Testing

Please describe how this can be tested by reviewers. Be specific about anything not tested and reasons why. If this library has unit and/or integration testing, tests should be added for new functionality and existing tests should complete without errors.

• [x] This change adds unit test coverage
• [x] This change adds integration test coverage

Checklist

• [x] I have read the Auth0 general contribution guidelines
• [x] I have read the Auth0 Code of Conduct
• [x] All existing and new tests complete without errors