v0.4.0

[jjk-g]

Intermediate release for various bug fixes and feature improvements since v0.3.0.

Open PRs to prioritize:

• Add unique random seed to worker #340
• Update transformers #336
• Add aliases for shared_prefix config fields #311

[jjk-g]

https://github.com/kubernetes-sigs/inference-perf/releases/tag/v0.4.0