Replace interface{} with any (#25686)

Result of running `perl -p -i -e 's#interface\{\}#any#g' **/*` and `make fmt`.

Basically the same [as golang did](2580d0e08d).

modules/validation/binding_test.go

@@ -20,7 +20,7 @@ const (
 type (
 	validationTestCase struct {
 		description    string
-		data           interface{}
+		data           any
 		expectedErrors binding.Errors
 	}