Add module-info.java

[cowwoc]

Checklist

• [X] I have looked into the Readme and Examples, and have not found a suitable solution or answer.
• [X] I have searched the issues and have not found a suitable solution or answer.
• [X] I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• [X] I agree to the terms within the Auth0 Code of Conduct.

Describe the problem you'd like to have solved

Add support for Java Modules

Describe the ideal solution

Add module-info.java to this library

Alternatives and current workarounds

No response

Additional context

No response