chore: rely on OIDC when publishing to npm

[ankita10119]

Description

Drop reliance on an NPM token and use OIDC instead for publishing SDKs by configuring trusted publishers.

References

• https://docs.npmjs.com/trusted-publishers

Testing

• This change adds test coverage for new, changed, or fixed functionality.

Checklist

• I have added documentation for new or changed functionality in this PR or on auth0.com/docs
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used (if not the default branch)