chore(deps): update dependency langchain-google-vertexai to v2#232

vishwarajanand merged 12 commits intogoogleapis:maingoogleapis/langchain-google-alloydb-pg-python:mainfrom

renovate-bot:renovate/langchain-google-vertexai-2.xrenovate-bot/googleapis-_-langchain-google-alloydb-pg-python:renovate/langchain-google-vertexai-2.xCopy head branch name to clipboard