chore(deps): update dependency langchain-google-vertexai to v3.2.0#371

dishaprakash merged 2 commits intogoogleapis:maingoogleapis/langchain-google-cloud-sql-pg-python:mainfrom

renovate-bot:renovate/samples-index_tuning_samplerenovate-bot/googleapis-_-langchain-google-cloud-sql-pg-python:renovate/samples-index_tuning_sampleCopy head branch name to clipboard