Release 0.8.21-beta2 (#26)

* Updated doc-strings to match the changes made in observability, per [16.05 changelog](https://humanloop.com/docs/v5/changelog/2025/05#improved-observability-for-traces)

Merge pull request #25 from humanloop/add-agents

Release 0.8.21-beta1: Add agents support in SDK

Release 0.8.20

Release 0.8.19:

* Fixed wrong interactions between private tracer and global tracer

Release 0.8.18:

* Use singleton pattern for private OTEL tracer
* Bump up OTEL dependencies
* Prevent non-HL spans from passing through private OTEL tracer

Release 0.8.17

Merge pull request #19 from humanloop/decorators-fixes-latest

* Better typing DX on decorated functions and eval.run callable
* Flow decorator picks up on logging via SDK functions
* More graceful error messages in eval.run()

Merge pull request #16 from humanloop/pmap

pMap docstring + error catching

remove package lock in favour of yarn

0.8.14 beta 5