v3.3.1: Add user data stream WebSocket API support for RSA & HMAC keys

What's Changed

• feat(v3.3.1): add support for WS API user data stream for RSA & HMAC keys by @tiagosiebler in #639

Summary

• Effective on 2026-02-20 07:00 (UTC), Binance's listenKey mechanism for Spot will be discontinued.
• Users are expected to migrate to the WebSocket API user data stream.
• This PR adds full support for RSA & HMAC keys to the WebSocket API user data stream integration.
• Example: https://siebly.io/examples/Binance/WebSockets/Private(userdata)/ws-userdata-wsapi.ts#L158-L162
• Binance announcement here: https://www.binance.com/en/support/announcement/detail/80b38c8954bf4965b21eeb3c5fc6edfa?utm_source=EnglishTelegram&utm_medium=GlobalCommunity&utm_campaign=AnnouncementBot

Full Changelog: v3.3.0...v3.3.1