Update schemas/v3.1/schema.yaml

To be consistent with the other YAML files

Author: ralfhandl

schemas/v3.1/schema.yaml

@@ -13,7 +13,7 @@ properties:
   jsonSchemaDialect:
     type: string
     format: uri
-    default: 'https://spec.openapis.org/oas/3.1/dialect/base/WORK-IN-PROGRESS'
+    default: 'https://spec.openapis.org/oas/3.1/dialect/WORK-IN-PROGRESS'
   servers:
     type: array
     items: