chore(deps): weekly dependency update

[github-actions]

Automated weekly dependency update via python scripts/update-matrix-latest.py && uv lock --upgrade.

⚠️ Provider SDK packages changed. A human needs to re-record cassettes locally before merging.

Summary by Sourcery

Refresh the Python dependency matrix and lockfile to the latest supported package versions.

Enhancements:

• Update the dependency matrix to newer releases across provider SDKs, agent frameworks, evaluation tools, and supporting packages.

Build:

• Regenerate the Python lockfile with upgraded dependency resolutions.

Tests:

• Re-record provider integration cassettes locally to reflect the updated SDK behavior before merging.

[sourcery-ai]

Reviewer's Guide

Automated weekly dependency refresh updates the matrix’s latest pins across provider SDKs, agent integrations, and test tooling, then regenerates the lockfile; reviewers should verify lockfile resolution and require cassette re-recording before merge.

File-Level Changes

Change	Details	Files
Advance the dependency matrix’s latest provider and tooling versions while preserving older compatibility entries.	Update latest pins for multiple provider SDKs and integrations, including OpenAI, Anthropic, Cohere, LiteLLM, Google, Pydantic AI, and agent frameworks. Keep historical version entries unchanged for matrix coverage. Regenerate the uv lockfile with the dependency upgrade command, producing a large transitive dependency diff. Require local cassette re-recording because provider SDK behavior and/or serialization may have changed.	py/pyproject.toml py/uv.lock

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[sourcery-ai]

Hey - I've found 1 issue

Fixed security issues:

• anyio (link)
• cryptography (link)
• gitpython (link)
• mcp (link)
• pyjwt (link)
• python-multipart (link)
• starlette (link)
• urllib3 (link)

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location path="py/pyproject.toml" line_range="287" />
<code_context>

 [tool.braintrust.matrix.openai]
-latest = "openai==2.33.0"
+latest = "openai==3.16.2"
 "1.92.0" = "openai==1.92.0"
 "1.77.0" = "openai==1.77.0"
</code_context>
<issue_to_address>
**issue (broader_impact):** The provider matrix now installs new SDK versions for the `latest` nox sessions, but this PR does not update the corresponding cassette recordings. CI configures VCR with `record_mode = "none"` under CI/GitHub Actions, so the latest-version integration tests fail when the new SDK requests do not match the existing recordings.

**Triggers:** When CI runs any provider integration session against the updated `latest` pin.

**Suggested fix:** Re-record and commit the `cassettes/latest` fixtures for each changed provider, or keep the old pins until the recordings are updated.
</issue_to_address>

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[sourcery-ai]

issue (broader_impact): The provider matrix now installs new SDK versions for the latest nox sessions, but this PR does not update the corresponding cassette recordings. CI configures VCR with record_mode = "none" under CI/GitHub Actions, so the latest-version integration tests fail when the new SDK requests do not match the existing recordings.

Triggers: When CI runs any provider integration session against the updated latest pin.

Suggested fix: Re-record and commit the cassettes/latest fixtures for each changed provider, or keep the old pins until the recordings are updated.

[github-actions]

Superseded by a newer automated dependency update.