Add quiet flags to package managers to reduce workflow log noise (#7061)

Author: Copilot

.github/aw/schemas/agentic-workflow.json

@@ -1195,11 +1195,6 @@
               "type": "string",
               "enum": ["read", "write", "none"]
             },
-            "repository-projects": {
-              "type": "string",
-              "enum": ["read", "write", "none"],
-              "description": "Permission for repository projects (read: view projects, write: manage projects, none: no access)"
-            },
             "security-events": {
               "type": "string",
               "enum": ["read", "write", "none"]