Release 0.0.104

What's Changed

• Release 0.0.103 by @jacoblee93 in #1875
• Fix integration tests by @jacoblee93 in #1877
• Add portable JSON Schema parser by @jacoblee93 in #1878
• Fixes conversion issue in OpenAPIChain by @jacoblee93 in #1879
• Adds OpenAI functions powered structured output chain by @jacoblee93 in #1871
• Fix docs and Google Vertex integration test by @jacoblee93 in #1881
• Migrate HumanChatMessage to HumanMessage in Baidu Wenxin by @sunner in #1880
• fix(memory): throw error if no input/output key is specified and there are multiple keys by @joaopcm in #1778

Full Changelog: 0.0.103...0.0.104