Pydid

What's Changed
* feat: open up service_endpoint to allow for a list of endpoints by frostyfrog in https://github.com/Indicio-tech/pydid/pull/51


**Full Changelog**: https://github.com/dbluhm/pydid/compare/v0.3.3...v0.3.4

What's Changed
* feat: loosen restrictions on context to permit embedded by dbluhm in https://github.com/dbluhm/pydid/pull/50


**Full Changelog**: https://github.com/dbluhm/pydid/compare/v0.3.2...v0.3.3

Fixes:
- Error in exception on parsing failure in `dereference_as`

Added:
- `dereference_as` now works with Union types, allowing usage of `KnownVerificationMethods` or similar as the target.

Added:
- Improve usability of `dereference_as` by attempting to parse the object as the target resource type if it is not already of that type.

Added:
- `dereference_as` method to simplify dereferencing a values and casting them to the appropriate objects.