feat(client,js)!: support custom jwt verifier

[gao-sun]

Summary

implement changes to make they work in React Native. see changesets for notable changes. in addition:

• remove homemade cached jwk set as the new jwt verifier can hold a instance of createRemoteJWKSet, which already has the cache mechanism

Testing

• updated test cases accordingly
• tested with the React Native sample, sign-in and sign-out works as expected

Checklist

• .changeset
• unit tests
• integration tests
• necessary TSDoc comments