Get the LLM action/node updated with Gemini Flash 2.5 and GLM 4.x

Right now these models are not exposed in this action. Since Sean has said he wants to really dial into GLM Air 4.5 as the “daily driver”, it would be nice to have this action and whatever other ones that use/rely on Agentic Flow native models to get the more reliable models attached… Screen shot shows what is in the action model list currently…