Merge remote-tracking branch 'upstream/main' into deploy

* upstream/main:
  Update litellm version (openai#626)

Author: Kun Han

pyproject.toml

@@ -36,7 +36,7 @@ Repository = "https://github.com/openai/openai-agents-python"
 [project.optional-dependencies]
 voice = ["numpy>=2.2.0, <3; python_version>='3.10'", "websockets>=15.0, <16"]
 viz = ["graphviz>=0.17"]
-litellm = ["litellm>=1.65.0, <2"]
+litellm = ["litellm>=1.67.4.post1, <2"]
 
 [dependency-groups]
 dev = [