Migrate to Svelte 4

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@sveltejs/adapter-node": "^1.2.3",
-    "@sveltejs/kit": "^1.5.0",
+    "@sveltejs/kit": "^1.20.4",
     "@types/node": "^18.16.3",
     "@types/sqlite3": "^3.1.8",
     "@types/ws": "^8.5.4",
@@ -24,13 +24,13 @@
     "@zerodevx/svelte-toast": "^0.9.3",
     "eslint": "^8.28.0",
     "eslint-config-prettier": "^8.5.0",
-    "eslint-plugin-svelte3": "^4.0.0",
+    "eslint-plugin-svelte": "^2.35.1",
     "prettier": "^2.8.0",
-    "prettier-plugin-svelte": "^2.8.1",
-    "svelte": "^3.54.0",
-    "svelte-check": "^3.0.1",
+    "prettier-plugin-svelte": "^2.10.1",
+    "svelte": "^4.0.0",
+    "svelte-check": "^3.4.3",
     "tslib": "^2.4.1",
-    "typescript": "^4.9.3",
+    "typescript": "^5.0.0",
     "vite": "^4.0.0"
   },
   "type": "module",