fix: augment vue rather than @vue/runtime-core

Author: danielroe

packages/vue-final-modal/src/index.ts

@@ -23,7 +23,7 @@ export type { VueFinalModalEmits } from './components/VueFinalModal/VueFinalModa
 /** Composables */
 export { useVfm, useModal, useVfmAttrs, useModalSlot } from './useApi'
 
-declare module '@vue/runtime-core' {
+declare module 'vue' {
   export interface ComponentCustomProperties {
     /**
      * Vue Final Modal global state for the modal components and also provides