Make ValidatorFunctionWrapHandler positional only (#1323)

Author: Viicos

python/pydantic_core/core_schema.py

@@ -2062,7 +2062,7 @@ def fn(v: str, info: core_schema.ValidationInfo) -> str:
 
 
 class ValidatorFunctionWrapHandler(Protocol):
-    def __call__(self, input_value: Any, outer_location: str | int | None = None) -> Any:  # pragma: no cover
+    def __call__(self, input_value: Any, outer_location: str | int | None = None, /) -> Any:  # pragma: no cover
         ...