fix: Upgrade packages and remove type stubs

[icco]

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Description

There are three medium security vulns in the dependencies of this package, as well as a few type stubs. This runs npm upgrade to fixes those dependency issues.

References

• jsonwebtoken unrestricted key type could lead to legacy keys usage - GHSA-8cf7-32gw-wr33
• jsonwebtoken's insecure implementation of key retrieval function could lead to Forgeable Public/Private Tokens from RSA to HMAC - GHSA-hjrf-2m68-5959
• jsonwebtoken vulnerable to signature validation bypass due to insecure default algorithm in jwt.verify() - GHSA-qwph-4952-7xr6

Testing

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.

Please include any manual steps for testing end-to-end or functionality not covered by unit/integration tests.

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• This change adds test coverage for new/changed/fixed functionality

Checklist

• I have added documentation for new/changed functionality in this PR or in 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