update message history validation to be per message#988

dtam wants to merge 5 commits into0.6.0-devguardrails-ai/guardrails:0.6.0-devfrom

dtam/fix_msg_history_validation_to_be_per_messageguardrails-ai/guardrails:dtam/fix_msg_history_validation_to_be_per_messageCopy head branch name to clipboard