Changes:
- 18d016d Python: Bump Python project version to 1.5.1 for a release. (#8108)
- ba9d34f Python: updated packages and reverted default multi-core testing (#8091)
- 7e2bca7 Python: Combine FunctionResultContent to one ChatMessageContent for Auto Func Invoke Filter (#8098)
- 867df29 Python: Update auto invoke function filter handling for proper functionality for OpenAI models. (#8071) [ #8020 ]