feat: add GOOSE_PROVIDER_TIMEOUT config for provider API timeouts

[Raptors65]

Summary

While working on #9138, I noticed Goose has a 600s timeout for all providers, which is from the initial request to the stream ending. When Goose hits this timeout, it gives the following error:

Ran into this error: Request failed: Stream decode error: error decoding response body

Please retry if you think this is a transient or recoverable error.

This is configurable for some providers (specifically, OpenAI, Ollama, and LiteLLM) but not others. It seems to make sense to have a more general GOOSE_PROVIDER_TIMEOUT that we fall back to whenever a provider-specific value isn't provided; we might also want to add provider-specific configs for the other providers in a follow up.

This PR adds a GOOSE_PROVIDER_TIMEOUT that we fall back to whenever a provider-specific value isn't provided.

Testing

unit tests

Related Issues

N/A

Screenshots/Demos (for UX changes)

N/A (no UX changes)

[Raptors65]

• feat: add GOOSE_PROVIDER_TIMEOUT config for provider API timeouts #9145 👈 (View in Graphite)
• main

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[github-actions]

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[github-actions]

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