upgrade to tauri 2.0 beta

src/views/Approve.svelte

@@ -1,6 +1,6 @@
 <script>
     import { onMount } from 'svelte';
-    import { invoke } from '@tauri-apps/api/tauri';
+    import { invoke } from '@tauri-apps/api/core';
 
     import { navigate } from '../lib/routing.js';
     import { appState, cleanupRequest } from '../lib/state.js';