feat: websocket outgoing binary message support

[engbenny]

Description

Adds support for sending binary messages over websockets. Also corrects some typos in comments.

Testing Strategy

Added new unit tests.

Definition of Done

• I plan on utilizing this in a side project I'm working on, I'll confirm it works locally

Rollout Strategy and Risk Mitigation

• Minimal risk since this was a feature previously unsupported - threw NotImplementedError

Checklist

• I have reviewed this PR with relevant experts and/or impacted teams.
• I have added tests to have confidence my changes work as expected.
• I have a rollout plan that minimizes risks and includes monitoring for potential issues.