chore(deps): weekly dependency update (#385)

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.

Co-authored-by: AbhiPrasad <18689448+AbhiPrasad@users.noreply.github.com>

Author: github-actions[bot]

py/pyproject.toml

@@ -298,7 +298,7 @@ latest = "cohere==6.1.0"
 "5.0.0" = "cohere==5.0.0"
 
 [tool.braintrust.matrix.openai-agents]
-latest = "openai-agents==0.15.0"
+latest = "openai-agents==0.15.1"
 "0.13.6" = "openai-agents==0.13.6"
 "0.0.19" = "openai-agents==0.0.19"
 
@@ -332,11 +332,11 @@ latest = "strands-agents==1.38.0"
 "1.20.0" = "strands-agents==1.20.0"
 
 [tool.braintrust.matrix.pydantic-ai-integration]
-latest = "pydantic-ai==1.89.0"
+latest = "pydantic-ai==1.89.1"
 "1.10.0" = "pydantic-ai==1.10.0"
 
 [tool.braintrust.matrix.pydantic-ai-wrap-openai]
-latest = "pydantic-ai==1.89.0"
+latest = "pydantic-ai==1.89.1"
 "1.0.1" = "pydantic-ai==1.0.1"
 "0.1.9" = "pydantic-ai==0.1.9"