📝 Update all docs references to Optional to use the new syntax in Python 3.10, e.g. int | None

[tiangolo]

📝 Update all docs references to Optional to use the new syntax in Python 3.10, e.g. int | None

[github-actions]

📝 Docs preview for commit 9c1e8fa at: https://9a0cd533.sqlmodel.pages.dev

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• https://9a0cd533.sqlmodel.pages.dev/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/db-to-code/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/img/index/autocompletion01.png - (before)
• https://9a0cd533.sqlmodel.pages.dev/img/index/autocompletion02.png - (before)
• https://9a0cd533.sqlmodel.pages.dev/img/index/inline-errors01.png - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/automatic-id-none-refresh/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/connect/create-connected-rows/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/create-db-and-table/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/fastapi/multiple-models/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/fastapi/update/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/many-to-many/create-models-with-link/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/relationship-attributes/define-relationships-attributes/ - (before)
• https://9a0cd533.sqlmodel.pages.dev/tutorial/where/ - (before)