Replace interface{} with any (#25686) (#25687)

Same perl replacement as https://github.com/go-gitea/gitea/pull/25686
but for 1.20 to ease future backporting.

modules/validation/binding_test.go

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