fix uv config-settings value type (SchemaStore#4648)

Author: toslunar

src/schemas/json/uv.json

@@ -478,28 +478,14 @@
       "oneOf": [
         {
           "description": "The value consists of a single string.",
-          "type": "object",
-          "required": ["String"],
-          "properties": {
-            "String": {
-              "type": "string"
-            }
-          },
-          "additionalProperties": false
+          "type": "string"
         },
         {
           "description": "The value consists of a list of strings.",
-          "type": "object",
-          "required": ["List"],
-          "properties": {
-            "List": {
-              "type": "array",
-              "items": {
-                "type": "string"
-              }
-            }
-          },
-          "additionalProperties": false
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
         }
       ]
     },

src/test/pyproject/uv-sample-project.toml

@@ -1,5 +1,6 @@
 #:schema ../../schemas/json/pyproject.json
 [tool.uv]
+config-settings = { editable_mode = "compat" }
 
 [tool.uv.pip]
 index-url = "https://test.pypi.org/simple"