ci(mcp): fix transports schema to object form {type: stdio} for MCP Registry

Author: mcp-release-bot

.github/workflows/publish-mcp.yml

@@ -44,7 +44,7 @@ jobs:
             "description": desc,
             "version": VERSION,
             "transports": [
-              "stdio"
+              {"type": "stdio"}
             ],
             "packages": [
               {"registry_type": "pypi", "identifier": "mcp-as-a-judge", "version": VERSION}

.github/workflows/release.yml

@@ -237,7 +237,7 @@ jobs:
             "description": desc,
             "version": VERSION,
             "transports": [
-              "stdio"
+              {"type": "stdio"}
             ],
             "packages": [
               {"registry_type": "pypi", "identifier": "mcp-as-a-judge", "version": VERSION}