0.2.0 - a2a agent and langfuse tracing + evals

What's Changed

• Eval mode by @artdroz in #55
• feat(langfuse): refactor to use langfuse async APIs instead of langsm… by @artdroz in #57
• fix(cnoe-agent-utils): bump cnoe-agent-utils>=0.3.0 by @sriaradhyula in #58
• feat(examples): update readme and petstore example for evals by @artdroz in #59
• chore(deps): bump actions/checkout from 4 to 5 in the github group by @dependabot[bot] in #56
• Update diagram by @artdroz in #60

Full Changelog: 0.1.2...0.2.0