fix: use tool_calls field to detect tool calls in OpenAI client; add …

…integration tests for OpenAI and Gemini (microsoft#5122)

* fix: use tool_calls field to detect tool calls in OpenAI client

* Add unit tests for tool calling; and integration tests for openai and gemini

Update to 0.4.2

Update to 0.4.2

Fixup autogen-ext version (microsoft#5030)

* Update autogen-ext version

* lock

Update version to 0.4.1 (microsoft#5029)

* Update version to 0.4.1

* lock

* dest dir

* remove website changes

Remove accidentally added character (microsoft#4980)

Fix magentic-one-cli version bound (microsoft#4972)

Update magentic-one-cli version to 0.2.0 (microsoft#4973)

* Update magentic-one-cli version to 0.2.0

* lock

Update to dev13 (microsoft#4862)

dev12 (microsoft#4839)

* dev12