Use OpenWebUI-compatible GitHub MCP transport

platform/mcp/compose.yaml

@@ -171,7 +171,7 @@ services:
     build:
       context: .
       dockerfile: Dockerfile.github
-    image: mike-ai/mcp-github:github-v1.10.1-supergateway-v3.4.3
+    image: mike-ai/mcp-github:github-v1.10.1-mcp-proxy-v0.12.0
     container_name: mike-ai-mcp-github
     profiles: [github]
     env_file: