Aura LLM Gateway v0.11.0

Features

• Implement confidence_threshold validation gate (#155)

What's Changed

• fix(playground) + feat(gateway): provider param fixes, replay race, validation strategies, chat polish by @MarcusElwin in #168
• fix(ci): use previous git tag as release-plz baseline (no more manual bumps) by @MarcusElwin in #169
• chore: release v0.11.0 by @MarcusElwin in #171

Full Changelog: v0.10.0...v0.11.0