fix: relax openai version

[bittoby]

Fix OpenAI dependency constraint for ecosystem compatibility

CrewAI's strict OpenAI dependency constraint openai~=1.83.0 (equivalent to >=1.83.0,<1.84.0) was causing dependency conflicts with popular AI ecosystem packages:

LangChain ecosystem requires openai>=1.109.1
LiteLLM requires openai>=1.50.0
Observability tools like LangFuse require openai>=1.100.0
Modern AI applications commonly use newer OpenAI SDK versions
This prevented CrewAI from being used in comprehensive AI stacks and caused installation failures when combining with other AI libraries.

✅ Solution
Current OpenAI version is 2.16.0.
Changed OpenAI dependency constraint from:

• " - openai~=1.83.0"
• "+ openai>=1.83.0,<3.0.0" for the future use.
• I think "openai<2" is incompatible in the future.

📁 Files Changed

• pyproject.toml
• uv.lock - Regenerated lock file with new constraint

Close #4300

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Note

Medium Risk
Relaxing the openai version range can introduce runtime incompatibilities if CrewAI relies on behaviors that changed in newer SDK releases. The change is limited to dependency metadata/lockfile updates but affects all downstream installations.

Overview
Relaxes the core openai dependency constraint from a narrow ~= pin to a wider >=1.83.0,<3.0.0 range to reduce conflicts with other AI ecosystem packages.

Updates uv.lock to reflect the new constraint for resolved dependencies.

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Version constraint allows incompatible OpenAI SDK v1.x

High Severity

The new openai>=1.83.0,<3.0.0 constraint allows installation of OpenAI SDK v1.x versions, but the codebase imports from openai.types.responses import Response which only exists in v2.x. Installing any v1.x version will cause an ImportError or ModuleNotFoundError at runtime. The lower bound needs to be >=2.0.0 (or the specific v2 version that introduced the Responses API) to match the code's actual requirements.