v1.12.3

What's Changed

• Feature/conversation rebase by @kmaphoenix in #240
• Fix/default creds inheritance by @kmaphoenix in #246
• Prevent IndexError in collect_playbook_responses when not in playbook by @SeanScripts in #244
• feat: add support for flow invoke; clean up creds passing in evals by @kmaphoenix in #248
• Fix/optional tool call metrics evals by @kmaphoenix in #250
• Fix/support lang code conversation by @kmaphoenix in #251

Full Changelog: 1.12.2...1.12.3