Update Azure MCP entry (github#112)

Author: conniey

servers/azure/server.yaml

@@ -1,5 +1,5 @@
 name: azure
-image: mcp/azure
+image: microsoft/azure-sdk-azure-mcp
 type: server
 meta:
   category: devops
@@ -11,7 +11,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/6844498?s=200&v=4
 source:
   project: https://github.com/Azure/azure-mcp
-  branch: 1ea702cb489ba95c5d9bea8d41fc18e9343703f8
+  branch: main
 run:
   command:
     - server