chore(deps): update mcr.microsoft.com/azure-sdk/azure-mcp docker tag to v0.5.8

Author: renovate[bot]

registry/azure/spec.yaml

@@ -52,7 +52,7 @@ tags:
   - infrastructure
   - database
   - storage
-image: mcr.microsoft.com/azure-sdk/azure-mcp:0.5.7
+image: mcr.microsoft.com/azure-sdk/azure-mcp:0.5.8
 permissions:
   network:
     outbound: