fix fixture

Author: mathpirate

packages/schema-generator/test/fixtures/schema/anonymous-recursive-wrapper.expected.json

@@ -10,9 +10,6 @@
               "$ref": "#/$defs/SchemaRoot"
             }
           },
-          "required": [
-            "self"
-          ],
           "default": {}
         }
       },

packages/schema-generator/test/fixtures/schema/anonymous-recursive-wrapper.input.ts

@@ -7,5 +7,5 @@ type Default<T, V extends T = T> = T;
 interface SchemaRoot {
   // Anonymous object type wrapped in Default, containing self-reference to SchemaRoot
   // deno-lint-ignore ban-types
-  field: Default<{ self: SchemaRoot }, {}>;
+  field: Default<{ self?: SchemaRoot }, {}>;
 }