feat: add parameter "reasoning_effort" and Openai o3-mini

[k-zaku]

Summary

I added a new parameter reasoning_effort for OpenAI o1 model and o3-mini model.
And, I changed the OpenAI SDK version to use the parameter and o3-mini model safely.

about the parameter: https://platform.openai.com/docs/api-reference/chat/create#chat-create-reasoning_effort
about OpenAI SDK: https://github.com/openai/openai-python/releases/tag/v1.61.0

Close #13242

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Important

Please review the checklist below before submitting your pull request.

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods