Packages: add ability to disable specified package manager

Fix #729

doc/json_schema.json

@@ -1469,10 +1469,10 @@
                                         "const": "packages",
                                         "description": "List installed package managers and count of installed packages"
                                     },
-                                    "winget": {
-                                        "description": "Set if winget package count should be detected.\nNote this is very slow operation. Please make sure `winget list` works before enable this option\nWindows only",
-                                        "type": "boolean",
-                                        "default": false
+                                    "disabled": {
+                                        "description": "A colon separated list of package managers to be disabled when detecting",
+                                        "type": "string",
+                                        "default": "winget"
                                     },
                                     "key": {
                                         "$ref": "#/$defs/key"