types: improve generated component typing (#8308)

src/stepper/index.ts

@@ -1,7 +1,7 @@
-import { installable } from '../utils';
+import { withInstall } from '../utils';
 import _Stepper from './Stepper';
 
-const Stepper = installable(_Stepper);
+const Stepper = withInstall<typeof _Stepper>(_Stepper);
 
 export default Stepper;
 export { Stepper };