0.49.0

• Fix encoding of pathlib paths in jsonable_encoder. PR #978 by @patrickmckenna.
• Add articles to External Links: PythonのWeb frameworkのパフォーマンス比較 (Django, Flask, responder, FastAPI, japronto) and [FastAPI] Python製のASGI Web フレームワーク FastAPIに入門する. PR #974 by @tokusumi.
• Fix broken links in docs. PR #949 by @tsotnikov.
• Fix small typos. PR #941 by @NikitaKolesov.
• Update and clarify docs for dependencies with yield. PR #986.
• Add Mermaid JS support for diagrams in docs. Add first diagrams to Dependencies: First Steps and Dependencies with yield and HTTPException. PR #985.
• Update CI to run docs deployment in GitHub actions. PR #983.
• Allow callables in path operation functions, like functions modified with functools.partial. PR #977.