fix: broken AG2 image in README (#1087)

Author: HowieG

README.md

@@ -58,7 +58,7 @@ AgentOps helps developers build, evaluate, and monitor AI agents. From prototype
   <div style="display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 30px; margin-bottom: 20px;">
     <a href="https://docs.agentops.ai/v1/integrations/openai-agents"><img src="docs/images/external/openai/agents-sdk.svg" height="45" alt="OpenAI Agents SDK"></a>
     <a href="https://docs.agentops.ai/v1/integrations/crewai"><img src="docs/v1/img/docs-icons/crew-banner.png" height="45" alt="CrewAI"></a>
-    <a href="https://docs.ag2.ai/docs/ecosystem/agentops"><img src="docs/images/external/autogen/ag2.svg" height="45" alt="AG2 (AutoGen)"></a>
+    <a href="https://docs.ag2.ai/docs/ecosystem/agentops"><img src="docs/images/external/ag2/ag2-logo.svg" height="45" alt="AG2 (AutoGen)"></a>
     <a href="https://docs.agentops.ai/v1/integrations/microsoft"><img src="docs/images/external/microsoft/microsoft_logo.svg" height="45" alt="Microsoft"></a>
   </div>