Upgrading agent-framework adapter

[cesarebernardis]

Upgrade the Microsoft Agent Framework adapter to the 1.13.0 API, including the Agent model, updated client and tool interfaces, and split core/OpenAI dependencies.

Upgrade langgraph and autogen adapters, that now fail when no OpenAI API key is set explicitly or in the environment, due to upgrades in the openai package.

[dhilloulinoracle]

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[dhilloulinoracle]

Internal regression succeeded 🍏: Build ID #541

[sonleoracle]

Is your PR superseding this one? #199

[cesarebernardis]

Is your PR superseding this one? #199

Yes it is

[dhilloulinoracle]

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[dhilloulinoracle]

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[dhilloulinoracle]

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[dhilloulinoracle]

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[dhilloulinoracle]

Merge Gate INPROGRESS

[dhilloulinoracle]

Internal regression succeeded 🍏: Build ID #509

[dhilloulinoracle]

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