Add extension on top of workflow binding

[Caio-Nogueira]

Fixes WOR-926.

This PR migrates the workflow binding to use a wrapped binding that sits on top of the service binding. The goal is to avoid local dev errors due to engines not being disposed correctly.

Furthermore, this also mitigates the issue of Python Workflows not working correctly with default entrypoint classes. This happens because the runtime attempts to type translate the binding to a Python type - and fails because it doesn't really work properly when the JS object has RPC properties. Therefore, this is a backwards compatible way of fixing it.

---

• Tests
  • Tests included
  • Tests not necessary because:
• Public documentation
  • Cloudflare docs PR(s):
  • Documentation not necessary because: the binding should work the same way for customers. All we did was change how its methods are handled internally
• Wrangler V3 Backport
  • Wrangler PR:
  • Not necessary because: this is not a patch on wrangler or miniflare

[changeset-bot]

🦋 Changeset detected

Latest commit: de46599

The changes in this PR will be included in the next version bump.

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commit: de46599